| Title | Author | Year | Journal/Proceedings | Study design & Population | Category | Physiological parameter(s) | Insights on findings |
|---|---|---|---|---|---|---|---|
| Comparing the stress response using heart rate variability during real and simulated crises: a pilot study | Peabody J, Ziesmann, MT & Gillman LM | 2023 | Advances in Health Science Education | Case-study; physicians, N = 19 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to collect data in a study exploring whether a simulation of non-real life mediacal emergencies can create the same psychophysiological response as actual medical emergencies. |
| Cardiac autonomic and cortisol stress responses to real operations in surgeons: Relationship with individual psychobiological characteristics and experience | Carnevali L, Bignami E, Gambetta S, Barbetti M, Procopio M, Freyrie A, Carbognani, P , Ampollani L & Sgoifo A | 2023 | BioPsychoSocial medicine, 17(1), 5. | Case-study; Surgeons, N = 16 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study exploring the effects of real operations on the activity of stress response systems (i.e., cardiac autonomic function and hypothalamic–pituitary–adrenal axis) during and in the aftermath of surgery. |
| Physical Work Demands of Maintenance Workers on Onshore Petroleum Facilities in Norway: An Observational Study Utilizing Wearable Sensor Technology | Tjøsvoll SO, Steiro Fimland M, Gonzalez V, Seeberg TM, Holtermann A, Færevik H & Wiggen Ø | 2023 | Annals of Work Exposures and Health 67, (6), 706-719. | Case-study; Petroleum industry workers, N = 46 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study assessing the physical work demands of mechanics and process technicians on onshore petroleum facilities in Norway using body-worn accelerometers and heart rate monitors. |
| The long-term impact of early adverse experience on adaptive functioning: a pilot study integrating measures of mental status, nonverbal communication, and heart rate variability | Bussone S, Pesca C, Casetti V, Croce Nanni R, Ottaviani C, Troisi A & Carola V | 2023 | European Journal of Psychotraumatology 14, (1): 2181766. | Case-study; University students, N = 55 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used to record data in an exploratory study analyzing the long-term impact of childhood maltreatment by assessing psychological symptoms, social and behavioural communication, and physiological regulation. |
| A troubled heart: Mood disorder history longitudinally predicts faster cardiopulmonary aging in breast cancer survivorship | Madison AA, Filatov M, Andridge R, Haas G, Povoski SP, Agnese DM, Lustberg M, Reinbolt RE, Williams NO, Malerkey WB & Kiecolt-Glaser JK | 2023 | PloS one, 18(3), e0283849. | Cross-sectional study; Breast cancer survivors, N = 80 | Measurement | HR | Firstbeat Bodyguard 2 was used to collect HR data during exercise stress tests in a study of cardiorespiratory fitness profiles in breast cancer survivors. |
| No effects on heart rate variability in depression after treatment with dorsomedial prefrontal intermittent theta burst stimulation | Bengtsson J, Olsson E, Persson J & Bodén R | 2023 | Upsala Journal of Medical Sciences 128(1), e8949-9. | Randomized Cross-Sectional Study, patiens with depressive episode, N = 49 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study investigating whether treatment of a depressive episode with intermittent theta burst stimulation (iTBS) over the dorsomedial prefrontal cortex (DMPFC) had effects HRV. |
| Biobehavioral mechanisms underlying testosterone and mood relationships in peripubertal female adolescents | Elizabeth Andersen E, Prim J, Campbell A, Schiller C, Baresich K & Girdler S | 2023 | Development and Psychopathology, 1-15 | Experimental study; peripubertal female adolescents (ages 11–14), N = 43 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used when studying the biobehavioral mechanisms underlying hormone change and mood relationships during the pubertal transition. The subjects collected 8-weekly salivary hormone (estrone, testosterone) samples and mood assessments to evaluate hormone-mood relationships, followed by a biobehavioral testing session with psychosocial stress and EEG. |
| Capturing cognitive load management during authentic virtual reality flight training with behavioural and physiological indicators | Lämsä J, Mannonen J, Tuhkala A, Heilala V, Helovuo A, Tynkkynen I, Lampi E, Sipiläinen K, Kärkkäinen T, & Hämäläinen R, | 2023 | Journal of Computer Assisted Learning, 1–11. | Experimental study; expert and novice pilots, N = 14 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study exploring cognitive load management performance through behavioural indicators in authentic virtual reality flight training and to explore if and to what extent physiological data was associated with cognitive load management performance. |
| The effects of expected and unexpected stress on inappropriate aggression in simulated police interventions | Farkas I, Vegh J, Ivaskevics K, Erika Malet Szabo E & Haller J | 2023 | Heliyon 9, e17871 | Experimental study; police cadets, N = 82 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study exploring stress and aggression. The gradually developing anticipatory stress was associated with low, whereas the abrupt increase in HRs was associated with high aggression. The study suggest that the anticipation of a stressful event improves behavioral control whereas an unexpected stress strongly promotes aggression. |
| Quantitative and qualitative workload assessment in steep terrain forest operations: fostering a safer work environment through yarder automation | Ottaviani Aalmo G, Spinelli R, Magagnotti N & Visser R | 2023 | Ergonomics 66 (6), 717–729 | Experimental study; forest operators, N = 5 | Measurement | RR-intervals; HR; HRV | The study used Firstbeat Bodyguard 2 for HR and HRV recordings when studying if the automation of carriage travel in a commercial yarding operation has any effect on the mental work-load of workers engaged with yarder operation and other connected tasks. |
| Voluntariness and extent of telework – association with heart rate variability | Januario LB, Heiden M, Mathiassen SE, Korkeakunnas T, Bergström G & Hallman DM | 2023 | Ergonomics & Human Factors 2023, Charted Institute of Ergonomics & Human Factors (CIEHF) | Cohort study; white-collar workers, N = 294 | Measurement | R-R-intervals | Firstbeat Bodyguard 2 was used for data collection in a study evaluating the impact that (1) voluntariness and (2) extent of telework had on 24h HRV measured objectively for three days in white-collar workers during the COVID-19 pandemic. |
| Supporting each other’s heart at work: An ambulatory field study | Santarpia, F P, Filosa, L, Ottaviani, C, Borgogni, L, & Alessandri, G | 2023 | International Journal of Stress Management, 30(3), 262-273. | Cohort study; adults from various sectors, N = 144 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study exploring the association between perceived social support at work (from coworkers and supervisors), and HRV. |
| Physiological arousal guides situational appraisals and metacognitive recall for naturalistic experiences | Stasiak JE, Mitchell WJ, Reisman SS, Gregory DF, Murty VP & Helion C | 2023 | Neuropsychologia 180, 108467. | Experimental study; persons from Philadelphia area, N = 44 | Applied use | HR | Firstbeat Sports was used to collect physiological data in the context of haunted house. The study examined the association between physiological arousal and metacognitive memory of emotional experience. |
| Tackling childbirth-related intrusive memories with a single-session behavioural intervention involving a visuospatial task: protocol for a single-blind, waitlist-controlled randomised trial | Fort D, Deforges C, Messerli-Bürgy N, Michael T, Baud D, Lalor J, Rimmele U & Horsch A | 2023 | BMJ open, 13(5), e073874. | Study protocol for Randomized, controlled trial | The study plan includes HRV recording with Firstbeat Bodyguard 2 in a study evaluating the impact of behavioural intervention on childbirth-related intrusive memories and post-traumatic stress symptoms of mothers. | ||
| Beliefs in Regulating Negative Emotions and Vagally Mediated Heart Rate Variability: Does Sex Make a Difference? | Alessandri G, Filosa L, Eisenberg N, & Ottaviani C | 2023 | Psychosomatic medicine, 85(4), 322-331 | Cross-sectional study; workers for various professions, N = 161 | Measurement | RR-intervals | The study used Firstbeat Bodyguard 2 and investigated the association between regulatory emotional self-efficacy beliefs in managing negative emotions and HRV. |
| ECG Smart Monitoring versus Implantable Loop Recorders for Atrial Fibrillation Detection after Cryptogenic Stroke—An Overview for Decision Making | Pezawas T | 2023 | Journal of cardiovascular development and disease, 10(7), 306. | Review | The review provides an overview of current evidence, techniques, and gaps in knowledge and aims to advise which patients benefit most from the current available devices related to atrial fibrillation. The study lists Firstbeat Bodyguard 2 as one ECG based wearable device. | ||
| Police lethal force errors and stress physiology during video and live evaluation simulations | Di Nota PM, Huhta J, Boychuk EC & Andersen JP | 2023 | Police practice & research, 1-11. | Observational study; police officers, N=187 | Measurement | HR | Firstbeat Bodyguard 2 was used in a study examining performance (i.e., shoot/no-shoot errors) and stress physiology among police officers during virtual (i.e., video-based) and live scenarios. |
| Identity affirmation is associated with adaptive cardiovascular flexibility in response to stress among sexual and gender minority people of color | Ghabrial MA & Andersen JP | 2023 | Social science & medicine (1982), 320, 115703. | Explorative study; adults with colourful color identity, N = 95 | Measurement | RR-intervals | Firstbeat Sports was used for HR data collection in a study exploring the association between identity affirmation and physiological resilience, observed through cardiovascular flexibility in response to stress among people of color. |
| Cognitive dissonance increases spine loading in the neck and low back | Weston, E B, Hassett, A L, Khan, S N, Weaver, T E, & Marras, W S | 2023 | Ergonomics | Experimental study; healthy adults, N = 17 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study investigating the potential role of cognitive dissonance in biomechanical loading in the low back and neck. |
| The effects of left prefrontal stimulation on selective attention and emotional reactivity for positive and negative information | Szeremeta EM, Sutton D, Marinovic W & Clarke PJF | 2023 | Biological Psychology, 182, 108640 | Experimental study; unselected participants, N = 101 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study examining whether anodal transcranial direct current stimulation targeting the left dorsolateral prefrontal cortex would affect attentional bias towards either or both negative and positive content, and how it would impact emotional reactivity to negative and positive emotional content among healthy individuals. |
| Effectiveness of single-lead ECG devices for detecting atrial fibrillation: An overview of systematic reviews | Gu HY, Huang J, Liu X,Qiao SQ & Cao X | 2023 | Worldviews on Evidence-Based Nursing | Systematic review | The paper synthesizes the available evidence on the effectiveness of single-lead ECG devices in detecting atrial fibrillation. Firstbeat Bodyguard 2 was presented as one feasible option. | ||
| Sensitivity and Specificity of Wearables for Atrial Fibrillation in Elderly Populations: A Systematic Review | Babar F, Cheema AM, Ahmad Z, Sarfraz A, Sarfraz Z, Ashraff H, Tayyab H, Bajwa AM, Ali H, Sarfraz M, Shahzad A & Sabzwari SRA | 2023 | Current Cardiology Reports, 25, 761–779 | Systematic review | The paper was a systematic review about the sensitivity and specificity of wearable devices for atrial fibrillation (AF) detection in older adults, as well as examined the incidence of AF across various studies, contextual factors impacting AF detection, and safety and adverse events associated with wearable use. The review demonstrated that wearable devices, such as smartwatches, can effectively identify arrhythmias like AF in older adults, with scalable potential in PPG-based and single-lead electrocardiography-based wearables. Firstbeat Bodyguard 2 was presented as one feasible option. | ||
| Face your heart: resting vagally mediated Heart Rate Variability Shapes Social Attributions from facial appearance | Bagnis A, Ottaviani C & Mattarozzi K | 2023 | Current Psychology | Experimental study; university students, N = 79 | Measurement | RR-intervals | Phylogenetic theories suggest resting vagally mediated HRV as a biomarker for adaptive behavior in social encounters. Firstbeat Bodyguard 2 was used for data collection and resting RMSSD was recorded in participants before they rated a series of faces based on their first impression of trustworthiness, dominance, typicality, familiarity, caring, and attractiveness. Higher RMSSD levels predicted higher scores on ratings of caring and trustworthiness, suggesting that strangers’ faces are more likely to be perceived as safer. |
| Mapping the mental space of emotional concepts through kinematic measures of decision uncertainty | Barca L, Candidi M, Lancia GL, Maglianella V & Pezzulo G | 2023 | Philosophical Transactions of the Royal Society B, 378: 20210367 | Experimental study; healthy adults, N = 30 | Measurement | RR-intervals | The study employed a similarity judgement of emotional concepts and manipulated the contextual congruency of the responses along the two main affective dimensions of hedonic valence and physiological activation, respectively. Behavioural and kinematics measures were combined to gather a novel ‘similarity index’ between emotional concepts, to derive topographical maps of their mental representations. Self-report (interoceptive sensibility, positive–negative affectivity, depression) and physiological measures (HRV) have been collected to explore their possible association with emotional conceptual representation. |
| A bioelectronic route to compassion: Rationale and study protocol for combining transcutaneous vagus nerve stimulation (tVNS) with compassionate mental imagery. | Kamboj SK, Peniket M & Simeonov L | 2023 | PLoS ONE 18(3): e0282861 | Study protocol | The paper describes a protocol for examining the role of vagus nerve activation on ‘state’ self-compassion, self-criticism, and related outcomes. Firstbeat Bodyguard 2 will be used for data collection. Randomized design will be employed and 120 healthy volunteers recruited. | ||
| Approaches, Applications, and Challenges in Physiological Emotion Recognition—A Tutorial Overview | Can YS, Mahesh B & André E | 2023 | Proceedings of the IEEE (pre-print) | Tutorial article | The tutorial article provides an overview of practical aspects of emotion recognition, such as experiment design, properties of different physiological modalities, existing datasets, suitable machine learning algorithms for physiological data, and several applications. It aims to provide the necessary psychological and physiological backgrounds through various emotion theories and the physiological manifestation of emotions, thereby laying a foundation for emotion recognition. Finally, the tutorial discusses open research directions and possible solutions. Firstbeat Bodyguard 2 and 3 are presented as options for physiology monitoring. | ||
| At the heart of change: Differences in young offenders’ HRV patterns after the delivery of the PSYCHOPATHY.COMP program | Sousa R, Ribeiro da Silva D, Petrocchi N, Gilbert P & Rijo D | 2023 | Frontiers in Psychiatry, 13 | Experimental study; young offenders, N = 109 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study testing the efficacy of the PSYCHOPATHY.COMP, a 20-session individual intervention program based on Compassion Focused Therapy aiming to reduce psychopathic traits and disruptive behavior among young offenders through the development of a compassionate motivation, while stimulating the soothing system as a strategy to improve emotion regulation. |
| Reliability and Sensitivity of Nocturnal Heart Rate and Heart-Rate Variability in Monitoring Individual Responses to Training Load | Nuuttila OP, Seipäjärvi S, Kyröläinen H & Nummela A | 2022 | International Journal of Sports Physiology and Performance, 17 (8): 1296–1303 | Experimental study; recreational runners, N = 38 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used to collect RR-intervals in a study exploring the reliability of nocturnal HR and HRV and to analyze the sensitivity of these markers to maximal endurance exercise during 4h early night, full sleep, and next morning time points. The study found that nocturnal HR and HRV indices are highly reliable. Demanding maximal exercise increases HR and decreases HRV most systematically in early 4h and full-night segments. |
| The ‘Rippling’ Waves of Wellbeing: A Mixed Methods Evaluation of a Surf-Therapy Intervention on Patients with Acquired Brain Injury | Wilkie L, Fisher Z & Kemp AH | 2022 | Sustainability, 14, 9605 | A partially mixed sequential equal-status design; Neurorehabilitation patients, N = 15 | Measurement | RR-intervals | Firstbeat devices were used for data collection in a study exploring the effects of adapted surf therapy intervention on the well-being of individuals with acquired brain injury. |
| Accelerated forgetting of a trauma-like event in healthy men and women after a single dose of hydrocortisone | Hennessy VE, Luzia Troebinger L , Georges Iskandar G, Das RK &Kambo SK | 2022 | Translational Psychiatry (2022) 12:35 | Randomised-controlled, double-blind design; Healthy men and women, N = 120 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for HR data collection in a study examining the effects of exogenous cortisol (hydrocortisone) in a preclinical model of posttraumatic stress disorder. |
| Emotional reactivity and parenting in families experiencing homelessness. | Palmer AR, Foster RA, Distefano R & Masten AS | 2022 | Journal of Family Psychology, 36(4), 636–641. | Cross-sectional study; 4- to 7-year-old children and their caregivers staying in an emergency homeless shelter, N = 50 children | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for collecting physiological data in a study examining how subjective (i.e., self-report), observed, and physiological measures of parent emotional reactivity relate to each other and to observed parenting behaviors in problem-solving and teaching parent–child interaction tasks. |
| Assessment of Physical Work Demands of Home Care Workers in Norway: An Observational Study Using Wearable Sensor Technology | Tjøsvoll SV, Wiggen Ø, Gonzalez V , Seeberg TM, Redzovic SE, Frostad Liaset I, Holtermann A & Steiro Fimland M | 2022 | Annals of Work Exposures and Health, 6 (9), 1187–1198 | Observational study; Home care workers, N = 114 | Measurement | HR | Firstbeat Bodyguard 2 was used in a study was assessing the physical work demands in home care using wearable sensors. |
| The Effects of Individual Characteristics of the Naval Personnel on Sleepiness and Stress during Two Different Watchkeeping Schedules | Myllylä M, Kyröläinen H, Ojanen T, Ruohola J-P, Heinonen OJ, Simola P, Vahlberg T, Parkkola KI | 2022 | International Journal of Environmental Research and Public Health, 19, 13451 | Experimental study; Finnish Defence Forces’ Navy missile patrol boat crewmembers, N = 18 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study that investigated individual characteristics of the naval personnel, as well as sleepiness, fatigue and stress responses experienced during shift work and irregular working hours in a naval environment. |
| Monitoring Heart Rate Variability and Its Association with High-Intensity Running, Psychometric Status, and Training Load in Elite Female Soccer Players during Match Weeks | Santos-García DJ, Serrano DR, Ponce-Bordón JC & Nobari H | 2022 | Sustainability, 14, 14815 | Cross-sectional study; female soccer players, N = 8 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for collecting HR data in a study tracking HRV in elite Spanish female soccer players during match weeks and examining its connection to high-intensity running, psychometric status, and training load. |
| The Impact on the Stress-Associated Autonomic Response of Physiotherapy Students Receiving Interferential Current in an Electrotherapy Training Session | Espejo-Antúnez L, Fernández-Morales C, Hernández-Sánchez S, Cardero-Durán MdlÁ, Toledo-Marhuenda JV & Albornoz-Cabello M | 2022 | International Journal of Environtal Research & Public Health, 19(20), 13348 | Experimental study; healthy male physiotherapy degree students, N = 90 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study evaluating the stress-associated autonomic response of physiotherapy students receiving interferential current by measuring and analysing HRV. |
| Analysis of heart rate variability during emergency flight simulator missions in fighter pilots | Fernández-Morales C, Espejo-Antúnez L, Clemente-Suárez VJ, Tabla-Hinojosa FB & Albornoz-Cabello M | 2022 | BMJ Military Health | Experimental study; pilots from the Spanish Air and Space Force, N = 18 | Measurement | RR-intervals | Firstbeat Bodyguard monitor was used to record HRV data during the session with emergency situations in the flight simulator. |
| Using Actigraphy and Heart Rate Variability (HRV) to Assess Sleep Quality and Sleep Arousal of Three App-Based Interventions: Sleep Music, Sleepcasts, and Guided Mindfulness | Kirk U, Ngnoumen C, Clausel A & Kennedy Purvis C | 2022 | Journal of Cognitive Enhancement, 6, 216–231 | Within-subject crossover study, adults, N = 40 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used in a study investigating the impact of different interventions on sleep arousal, sleep quality, and cognitive functioning. Participants were assigned to 1-week interventions based on sleep music, sleepcasts, and guided mindfulness sessions for 15–45 min and a non-intervention control condition. The results provided support for the guided mindfulness intervention both during pre-sleep period and sleep period, and partial support for the sleep music and sleepcasts interventions restricted to the pre-sleep period. Only guided mindfulness positively influenced HRV during the sleep period and showed an impact on cognitive functioning post-sleep. |
| The interplay of self-critical rumination and resting heart rate variability on subjective well-being and somatic symptom distress: A prospective study | Kocsel N, Köteles F, Attila Galambos A & Kökönyei G | 2022 | Journal of Psychosomatic Research, 152, 110676 | Prospective cohort study; undergraduate students, N = 84 | Measurement | RR-intervals | Firstbeat Sports chest straps were used to collect RR-intervals in a study that investigated the association of self-critical rumination, autonomic function (resting heart rate variability-RMSSD), subjective well-being and somatic symptom distress. |
| Rationale, design, and methods: A randomized placebo-controlled trial of an immunomodulatory probiotic intervention for Veterans with PTSD | Brenner LA, Stearns-Yoder KA, Stamper CE, Hoisington AJ, Brostow DP, Hoffmire CA, Forster JE, Donovan ML, Ryan AT, Postolache TT & Lowry CA | 2022 | Contemporary Clinical Trials Communications, 28, 100960 | Study protocol | The paper presents a study protocol for a longitudinal, double-blind, randomized placebo-controlled design Phase IIa trial of LGG for United States military Veterans with Post-Traumatic Stress Disorder. The study plan includes Bodyguard 2 measurement for HRV analysis. | ||
| Nurturing compassion in schools: A randomized controlled trial of the effectiveness of a Compassionate Mind Training program for teachers | Matos M, Albuquerque I, Galhardo A, Cunha M, Pedroso Lima M, Palmeira L, Petrocchi N, McEwan K, Maratos FA & Gilbert P | 2022 | PLoS ONE 17(3): e0263480 | Randomized controlled trial (RCT), public school teachers, N = 155 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study addressing mental and physical health problems and promoting wellbeing in educational settings among teachers. The study investigated the feasibility and effectiveness of an 8-week Compassionate Mind Training program for Teachers (CMT-T) on indicators of psychological and physiological wellbeing. |
| Associations between 24-h heart rate variability and aerobic fitness in high-level female soccer players | Costa JA, Brito J, Nakamura FY, Dores H & Rebelo A | 2022 | Scandinavian Journal of Medicine & Science in Sports, 32(Suppl. 1): 140–149 | Experimental study; female soccer players, N = 16 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for 24h RR-interval collection in a study investigating the changes in 24-h HRV and aerobic fitness. Enhanced vagal activity after 4-week preseason period increased the occurrence of vagal saturation in high-level female soccer players. Increases in HRV were significantly correlated with aerobic fitness change. |
| Are changes in pain associated with changes in heart rate variability in patients treated for recurrent or persistent neck pain? | Bakken AG, Eklund A, Warnqvist A, O’Neill S, Hallman DM & Axén I | 2022 | BMC Musculoskeletal Disorders, 23, 895 | Secondary data analysis from a multicenter randomized controlled trial; patients with chronic neck pain, N = 127 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study examining if changes in pain vary with changes in heart rate variability in a cohort of patients treated for persistent or recurrent neck pain. |
| Embodied Learning for Well-Being, Self-Awareness, and Stress Regulation: A Randomized Trial with Engineering Students Using a Mixed-Method Approach | Rodríguez-Jiménez R-M, Carmona M, García-Merino S, Díaz-Ureña G, Lara Bercial PJ | 2022 | Education Sciences, 2(2): 111. | Experimental study; engineering students, N = 39 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for measuring RR-intervals in a study developing and evaluating the impacts of body awareness program based on Dance Movement Therapy in engineering students. |
| Effects of operational assessment of the 4:4 and 4:4/6:6 watch systems on sleepiness, fatigue, and stress responses during patrolling on a navy missile patrol boat | Myllylä M, Kyröläinen H, Ojanen T, Ruohola J-P, Heinonen OJ, Vahlberg T & Parkkola KI | 2022 | Chronobiology International, 39:9, 1233-1241 | Experimental study; navy missile patrol boat crew members, N = 15 | Measurement | RR-intervals | The operation of naval vessels involves watchkeeping 24 h per day, which is globally carried out by a variety of different watch systems. Firstbeat Bodyguard 2 was used in a study comparing the rotating 4:4 and fixed 4:4/6:6 two-section watch systems in terms of sleepiness, fatigue, and stress responses. |
| Effects of Three Genres of Focus Music on Heart Rate Variability and Sustained Attention | Kirk U, Ngnoumen C, Clausel A & Kennedy Purvis C | 2022 | Journal of Cognitive Enhancement 6, 143–158 | Randomized controlled trial; healthy adults, N = 120 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study exploring whether music can be applied as a low-cost, non-invasive “on the spot” intervention to improve cognitive performance and physiological effects. The study found evidence of a pronounced effect of three types of focus music on both cognitive performance and the underlying physiological response. |
| Global Study of Human Heart Rhythm Synchronization with the Earth’s Time Varying Magnetic Field |
Timofejeva I, McCraty R, Atkinson M, Aladulgader AA, Vainoras A, Landauskas M, Šiaučiūnaitė V & Ragulskis M | 2021 | Applied Sciences, 11(7), 2935 | Experimental study; global participant distribution, n = 104 | Measurement | RR-intervals | The study used Bodyguard 2 for data collection to explore the changes in earth’s geomagnetic conditions and the rhythms produced by the brain and heart. |
| A Pragmatic Controlled Trial of Forest Bathing Compared with Compassionate Mind Training in the UK: Impacts on Self-Reported Wellbeing and Heart Rate Variability |
McEwan K, Giles D, Clarke F.J, Kotera Y, Evans G, Terebina O, Minou L, Teeling C, Basran J, Wood W & Weil D | 2021 | Sustainability, 13(3), 1380 | Experimental study; university staff and students, n = 61 | Measurement | RR-intervals | The study focused on Forest Bathing where individuals use mindfulness to engage with nature. Firstbeat Bodyguard 2 was used for data collection to study the effects on HRV. |
| Emotional reactivity and parenting in families experiencing homelessness |
Palmer AR, Foster RA, Distefano R & Masten AS | 2021 | Journal of Family Psychology | Observational study; 58 families in homeless center | Measurement | HR | Firstbeat Bodyguard 2 was used for data collection in a study that evaluated the effectiveness of a modified 1-day version of an established autonomic modulation intervention. |
| Testing the Efficacy of a 1-Day Police Decision-Making and Autonomic Modulation Intervention: A Quasi-Random Pragmatic Controlled Trial |
Di Nota PM, Arpaia J, Boychuk EC, Collins PI & Pizarro Andersen J | 2021 | Frontiers in Psychology, 12: 719046 | Intervention study; police officers, n = 187 | Measurement | HR | Firstbeat Bodyguard 2 was used for data collection in a study that evaluated the effectiveness of a modified 1-day version of an established autonomic modulation intervention. |
| Predictors of postprandial glycaemia, insulinaemia and insulin resistance in adolescents |
Williams RA, Dring KJ, Cooper SB, Morris JG, Sunderlans C & Nevill ME | 2021 | British Journal of Nutrition, Vol.125 (10), pp. 1101-1110 | Experimental study; adolescents, n = 108 | Measurement | HR | The study examined how participant characteristics such as BMI, waist circumference, fitness and maturity offset affect the postprandial glycaemic and insulinaemic responses to a standard meal. Firstbeat was used in fitness testing of the participants. |
| One-Minute Deep Breathing Assessment and its Relationship to 24-Hour HRV Measurements | McCraty R, Atkinson M & Dispenza J | 2021 | Heart Mind 2:70-7 | Experimental study; healthy individuals, n = 805 | Measurement | RR-intervals | The study examined the correlations between the 1min paced deep breathing assessment and 24h HRV measures in a general population. Firstbeat Bodyguard 2 was used for data collection. |
| Compassion Is Not a Benzo: Distinctive Associations of Heart Rate Variability With Its Empathic and Action Components |
Di Bello M, Ottaviani C & Petrocchi N | 2021 | Frontiers in Neuroscience, 15:617443 | Experimental study; university students, n = 45 | Measurement | RR-intervals | The study examined the association between vagally mediated HRV and the empathic sensitivity and action components of trait and state compassion. Firstbeat Bodyguard 2 was used for data collection. |
| Anxiety and Attentional Processes: The Role of Resting Heart Rate Variability |
Forte G, Favieri F, Osariemen Oliha E, Marotta A & Casagrande M | 2021 | Brain Sciences, 11(4), 480 | Experimental study; university students, n = 75 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for collecting RR-intervals in a study aiming to study the association between trait anxiety levels and attentional mechanisms. |
| Stimulating meditation: a pre-registered randomised controlled experiment combining a single dose of the cognitive enhancer, modafinil, with brief mindfulness training |
Thomas EM, Freeman TP, Poplutz P, Howden K, Hindocha C, Bloomfield M & Kamboj SK |
2021 | Journal of Psychopharmalogy Vol. 35, Issue 6 (621-630) |
Experimental study; n = 79 | Measurement | RR-interval | Firstbeat Bodyguard 2 was used for data collection in a study exploring the effects of cognitive enhancer, modafinil, mindfulness, and relaxation on state of mindfulness, affect and autonomic activity. |
| Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
Figueiredo P, Costa J, Lastella M, Morais J & Brito J | 2021 | International Journal of Environtal Research and Public Health, 18 (4), 2076 | Observational study; male youth soccer players, n = 18 | Measurement | RR-intervals | The study used Firstbeat Bodyguard 2 during night’s sleep when aiming to describe habitual sleep and nocturnal cardiac autonomic activity and their relationship with training/match load in male youth soccer players during an international tournament. |
| Wearable Devices Suitable for Monitoring Twenty Four Hour Heart Rate Variability in Military Populations |
Hinde K, White G & Armstrong N | 2021 | Sensors 2021, 21, 1061 | Review of scientific literature | Review | This paper reviews different HRV devices, especially from military usage point of view. Firstbeat Bodyguard 2 is presented as one possible option. | |
| Tapering and Repeated High-Intensity Effort Ability in Young Elite Rugby Union Players: Influence of Pretaper Fatigue Level |
Vachon A, Berryman N, Mujika I, Paquet J-B & Bosquet L | 2021 | International Journal of Sports Physiology and Performance, Vol. 16, Issue 7 | Experimental study; Rugby union players, n = 14 | Measurement | HR | Firstbeat Sports was used for HR data collection in a study investigating the effects of a short-term taper on the ability to perform repeated high intensity efforts, depending on players’ fatigue level following an intensive training block. |
| Lempel-Ziv complexity of the pNNx statistics – an application to neonatal stress |
“Šapina M, Kumar Karmakar C, Kramarić K, Kósmider M, Garcin M, Brdarić D, Milas K & Yearwood J” |
2021 | Chaos, Solitons & Fractals, Vol. 146 | Experimental study; healthy newborns, n = 40 | Measurement | RR-intervals | Bodyguard 2 was used for RR-interval data collection in a study exploring HRV dynamics under two different types of stress stimuli – a routine heel stick blood sampling, and a dull heel pressure stimulation. |
| The Lausanne Infant Crying Stress Paradigm: Validation of an Early Postpartum Stress Paradigm with Women at Low vs. High Risk of Childbirth-Related Posttraumatic Stress Disorder |
Sandoz V, Stujifzand S, Lacroix A, Deforges C, Quillet Diop M, Ehlert U, Rubo M, Messerli-Bürgy N & Horsch A | 2021 | “Journal of Personalized Meicine, Vol. 11, Issue 6” |
Cross-sectional experimental study; postpartum mothers, n = 52 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for RR-interval data collection in a study exploring stress reactivity through HRV, salivary cortisol, and perceived stress measurement in postpartum mothers. Psychophysiological responses were compared in women at low vs. high risk of childbirth-related posttraumatic stress disorder. |
| Physiological and Emotional Arousal Guide Metacognitive Reporting and Recall of Naturalistic Experiences |
Stasiak J, Mitchell WJ, Reisman S, Gregory DF, Murty VP & Helion C | 2021 | PsyArXiv. January 11. | Experimental study; n = 54 | Applied use | HR | Firstbeat Sports was used for HR data collection in a study using context of a haunted house to examine the association between physiological arousal and metacognitive memory of emotional experience (recall). |
| Diving Responses in Experienced Rebreather Divers: Short-Term Heart Rate Variability in Cold Water Diving |
Lundell RV, Tuominen L, Ojanen T, Parkkola K & Räisänen-Sokolowski A | 2021 | Frontiers in Physiology, 12:649319. | Experimental study; experienced divers, n = 26 | Measurement | RR-intervals | The study used Firstbeat Bodyguard 2 for collecting RR-interval data when evaluating divers’ ANS responses during dives in 2–4°C water. |
| Heart Rate Variability Monitoring during Interferential Current Application in the Lower Back Area: A Cross-Sectional Study |
De-la-cruz-Torres B, Martínez-Jiménez E, Navarro-Flores E, Palomo-López P, Abuín-Porras V, Díaz-Meco-Conde R, López-López D & Romero-Morales C |
2021 | International Journal of Environtal Research and Public Health, 18 (7), 3394 | Intervention study; male volunteers, n = 73 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study examining variations in autonomic activity during the application of interferential current in asymptomatic participants. |
| Heart Rate Variability and Decision-Making: Autonomic Responses in Making Decisions |
Forte G, Morelli M & Casagrande M | 2021 | Brain Sciences, 11 (2): 243 | Experimental study; university students, n = 130 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used for data collection in a study investigating the relationship between HRV and the decision-making process. |
| Body focus and cardioceptive accuracy are not associated with physical performance and perceived fatigue in a sample of individuals with regular physical activity |
Kósa L, Mikó A, Ferentzi E, Szabolcs Z, Bogdány T, Ihász F & Köteles F | 2021 | Psychophysiology, Volume 58, Issue 9 | Experimental study; sedentary subjects, n = 98 | Measurement | HR | Firstbeat SPORTS was used for tracking HR in a study exploring cardioceptive accuracy, performance and perceived fatigue. |
| Efficient methods for acute stress detection using heart rate variability data from Ambient Assisted Living sensors |
Szakonyi B, Vassányi I, Schumacher E & Kósa I | 2021 | BioMedical Engineering Online 20: 73 | Experimental study; adults, n = 7 | Measurement | RR-intervals | The study used Bodyguard 2 for data aqcuisition for developing a model predicting experienced stress with HRV metrics. |
| Resting state heart rate variability and false memories |
Feeling N, Williams DP, Speller LF, Loftus EF, Koenig J & Thayer JF | 2021 | International Journal of Psychophysiology, 159, 17-22 | Experimental study; Undergraduate students, n = 71 | Measurement | RR-intervals | Firstbeat Bodyguard2 was used for data collection in a study assessing a possible link between resting HRV with memory encoding and retrieval.n = 71 undergraduate students. |
| Ambulatory Heart Rate Variability in Schizophrenia or Depression |
Bengtsson J, Olsson E, Igelström H, Persson J & Bodén R | 2021 | J Clin Psychopharmacol. 41(2): 121–128. | Cross-sectional study; 80 patients and 64 healthy controls, n = 144 | Measurement | RR-intervals | Firstbeat Bodyguard2 was used to collect HRV data in a study exploring how demographic, lifestyle, and pharmacological factors contribute to the HRV metrics in schizophrenia and depression patients. |
| Dissociating cognitive, behavioral and physiological stress-related responses through dorsolateral prefrontal cortex inhibition | Era V, Carnevali L, Thayer JF, Candid M, Ottaviani C | 2021 | Psychoneuroendocrinology, Volume 124 | Experimental study; Students, n = 32 | Measurement | RR-intervals | Bodyguard2 was used for data collection in a study exploring the effects of noninvasive brain stimulation techniques in the regulation of stress-related cognitive processes and physiological responses. |
| Does Childcare Work Promote Cardiorespiratory Fitness and Health? A Cross-Sectional Study of Danish Childcare Workers Based on Accelerometry and Heart Rate Measurements | Schmidt KG, Kildedal R, Lerche AF, Vilhelmsen M, Rasmussen CL, Mathiassen SE, Straker L & Holtermann A | 2021 | International Journal of Environmental Research and Public Health, 18(23): 12496. | Cross-sectional study; childcare workers, N = 51 | Measurement | HR | Firstbeat Bodyguard 2 was used for HR data collection in a study investigating the composition, intensity and alternations of physical behaviors during work and leisure among childcare workers. |
| An external telemetry system for recording resting heart rate variability and heart rate in free-ranging large wild mammals | Twiss SD, Brannan N, Shuert CR, Bishop AM, Pomeroy PP & Moss S | 2021 | PLoS ONE 16(6): e0252013 | Experimental study; adult grey seals at the Isle of May | Measurement | RR-intervals | The study deployed Firstbeat Sports chest belt in wild mammals, on wild breeding adult female grey seals (Halichoerus grypus), for monitoring indicators of individual differences in temperament and reactivity to physical and psychological stress. |
| Circadian rhythmicity of heart rate variability and its impact on cardiac autonomic modulation in asthma | Sinha M, Behera AK, Sinha R, Parganiha A, Pande B, Sharma R & Pati AK | 2021 | Chronobiology International, 38:11, 1631-1639 | Experimental study; asthmatic patients and healthy persons, N = 63 | Measurement | RR-intervals | 72-h continuous recording of RR interval, with Firstbeat Bodyguard 2 device, and oxygen saturation was done to study the circadian variability of HRV and to assess the pattern of alterations in sympathetic and parasympathetic tones at different times of the day in asthmatic patients and healthy control subjects. |
| A Pragmatic Study of the Impact of a Brief Mindfulness Intervention on Prisoners and Staff in a Category B Prison and Men Subject to Community-Based Probation Supervision |
Davies J, Ugwudike P, Young H, Hurrel C & Raynor P | 2020 | International Journal of Offender Therapy and Comparative Criminology, 65 (1): 136-156 | Intervention study; prisoners, staff, and men under community probation supervision, n = 87 | Measurement | RR-intervals | The article presents two studies assessing the impact of mindfulness in prison (prisoners and staff) and non-custodial settings. Firstbeat Bodyguard 2 was used for RR-interval collection for HRV analysis. |
| Religiously oriented mindfulness for social workers: effects on mindfulness, heart rate variability, and personal burnout |
Trammel RC, Park G & Karlsson I | 2020 | Journal of Religion & Spirituality in Social Work: Social Thought, DOI: 10.1080/15426432.2020.1818358 | Intervention study; adults, n = 22 | Measurement | RR-intervals | Firstbeat Bodyguard2 was used to collect HRV data in a study exploring the effects of a Religiously Oriented Mindfulness (ROM) on mindfulness, cardiac vagal tone, and personal burnout. |
| Social anxiety symptoms, heart rate variability, and vocal emotion recognition in women: evidence for parasympathetically-mediated positivity bias |
Madison A, Vasey M, Emery CF & Kiecolt-Glaser JK | 2020 | Anxiety, Stress & Coping, DOI: 10.1080/10615806.2020.1839733 | Experimental study; Female undergraduates, n = 124 | Measurement | RR-intervals | Firstbeat Bodyguard 2 was used to record RR-intervals in a study that examined the associations among social anxiety symptoms, HRV, and vocal emotion recognition. |
| The Effects of Presleep Slow Breathing and Music Listening on Polysomnographic Sleep Measures – a pilot trial |
Kuula L, Halonen R, Kajanto K, Lipsanen J et al. | 2020 | Nature Scientific Reports 10:7427 | Randomized controlled trial; Young adults, n = 20 | Measurement | HRV | The study used Firstbeat Bodyguard2 and Firstbeat Cloud for HRV analysis when exploring the effects of presleep slow breathing and music listening conditions on sleep quality, EEG power spectral density and HRV. |
| Equal health at work? Protocol for an observational study of work organisation, workload and musculoskeletal complaints among women and men in grocery retail |
Mathiassen SE, Bolin M, Olofsdotter G & Johansson E | 2020 | BMJ Open, 10(1): e032409. | Description of study protocol | – | – | The study describes a study protocol for a study that will use Firstbeat Bodyguard2 to explore workloads in men and women working at grocecy retail. |
| Cardioceptive accuracy is associated with arousal but not with valence and perceived exertion under physical load |
Köteles F, Teufel B, Körmendi J, Ferentzi E & Szemerszky R | 2020 | “Psychophysiology, 57 (9): e13620” |
Experimental study; Young adults, n = 67 | Measurement | HR | HR was measured using Firstbeat Heart rate monitoring belts and Sports software in a study assessing the associations between cardioceptive accuracy and characteristics of the affective response during physical activity. |
| A Contact-Free, Ballistocardiography-Based Monitoring System (Emfit QS) for Measuring Nocturnal Heart Rate and Heart Rate Variability: Validation Study |
Vesterinen V, Rinkinen N & Nummela A | 2020 | JMIR Biomed Eng 5(1):e16620 | Evaluation study; Healthy participants, n = 20 | Measurement | RR-intervals | Bodyguard2 was used as an ECG-based reference device for ballistocardiography-based HR monitoring system. |
| Exploring the relationship between geomagnetic activity and human heart rate variability | Mattoni M, Ahn S, Fröhlich C et al. | 2020 | Eur J Appl Physiol 120, 1371–1381 | Cross-sectional study; Adults, n = 20 | Measurement | RR-intervals | Bodyguard2 was used for collecting data for 30 consecutive days in a study exploring the effects of geomagnetic/solar activity on HRV. |
| Reliability of the BodyGuard2 (FirstBeat) in the detection of heart rate variability | Palmer AR, Distefano R, Leneman K B & Berry D | 2020 | Open Science Framework (OSF) | Cross-sectional study; Children, n = 15 | Validation | RR-intervals | The study evaluated the reliability of Bodyguard2 in active and resting conditions in 4 to 6 years old children. The study reported that BG2 provided highly similar HRV results than gold-standard ECG method. |
| The Effects of an Intensive 2-wk Resistance Training Period on Strength Performance and Nocturnal Heart Rate Variability | Kaikkonen P, Hynynen E, Hautala A & Ahtiainen JP | 2020 | International Journal of Sports Physiology and Performance, 15 (10): 1448–1454 | Intervention; Young men, N = 13 | Applied use | RR-intervals | Firstbeat Bodyguard device was used to collect nocturnal HRV in a study exploring the effects of an intensive 2-wk resistance training period on the nocturnal HRV and strength performance of healthy participants. |
| Acute physiological and affective responses in postmenopausal women during prescribed and self-selected aerobic exercise |
Batista DR, Meneghel V, Ornelas F, Moreno MA, Lopes CR & Braz TV | 2019 | Cuadernos de Psicología del Deporte, 19 (2): 28-38 | Experimental study; Active post-menopausal women, n=30 | Measurement | RR-intervals | Firstbeat Sports heart rate belts were used to collect HR data in a study which aimed to compare physiological and psychological responses in prescribed and self-selected aerobic sessions in postmenopausal women for optimizing physical activity adherence. |
| The effect of spinal manipulative therapy on heart rate variability and pain in patients with chronic neck pain: a randomized controlled trial | Galaasen Bakken A, Axén I, Eklund A & O’Neill S | 2019 | Trials 20, 590 | Study protocol | The paper presents a study protocol for a study examining the effects of spinal manipulative therapy on HRV and pain. Firstbeat Bodyguard 2 is used for HRV data collection. | ||
| Autonomic Responses to Ultrasound-Guided Percutaneous Needle Electrolysis: Effect of Needle Puncture or Electrical Current? | Bermejo PG, De La Cruz Torres B, Orellana JN & Cabello MA | 2018 | The Journal of Alternative and Complementary Medicine, 24: 1 | Experimental case-control study; Male football players, n=36 | Measurement | RR-intervals | The study used Firstbeat Bodyguard when exploring if the changes in sympathetic and parasympathetic activity (analyzed through HRV) during ultrasound-guided percutaneous needle electrolysis (PNE) is due to the effect of needle puncture only or of the PNE technique per se where the puncture and galvanic current are combined. |
| High intensity intermittent games-based activity and adolescents’ cognition: moderating effect of physical fitness |
Cooper S, Dring K, Morris J, Sunderland C, Bandelow S & Nevill M | 2018 | BMC Public Health 18:603 | Cross-sectional study; Adolescents, n=39 | Measurement | RR-intervals | The subjects performed an exercise and resting trial in randomized order and cognitive tasks before and after trials. During 60-min game-based activity heart rate was monitored with Firstbeat team sport system. Exercise trial enhanced working memory and executive function, but had no effect on attention and information processing speed. |
| The effects of intensified training on resting metabolic rate (RMR), body composition and performance in trained cyclists |
Woods A, Rice A, Garvican-Lewis L, Wallett A, Lundy B, Rogers M , Welvaert M , Halson S , McKune A &Thompson K | 2018 | PLoS ONE 13(2) | Cross-sectional study; Athletes, n=13 | Measurement | RR-intervals | Trained male cyclist performed a 6-week training program, where training load varied from 80% to 150% compared to baseline week. HRV was measured with Firstbeat’s HR strap during RMR measurements. Proactive monitoring of HRV, energy intake, body mass, power output, mood state during intensified training period may be beneficial to optimize training adaptations. |
| Long-Term Study of Heart Rate Variability Responses to Changes in the Solar and Geomagnetic Environment |
Alabdulgader A, McCraty R, Atkinson M, Dobyns Y, Vainoras A, Ragulskis M & Stolc V | 2018 | Scientific Reports 8 (2663) | Experimental study; Healthy adults, n=16 | Measurement | RR-intervals | The study examined relationships between solar and magnetic factors and the time course and lags of autonomic nervous system (ANS) responses to changes in solar and geomagnetic activity. Heart rate variability (HRV) was recorded with Firstbeat Bodyguard for 72 consecutive hours each week over a five-month period in 16 participants in order to examine ANS responses during normal background environmental periods. |
| Associations of Physical Fitness and Body Composition Characteristics with Simulated Military Task Performance |
Pihlainen K, Santtila M, Häkkinen K & Kyröläinen H | 2018 | Journal of Strength and Conditioning Research 32 (4), 1089-1098 | Cross-sectional study; Soldiers, n=81 | Applied use | HR | The study examined the associations of body composition and physical fitness with anaerobic performance. Firstbeat PRO was used for heart rate analysis. |
| Taekwondo Fighting in Training Does Not Simulate the Affective and Cognitive Demands of Competition: Implications for Behavior and Transfer |
Maloney M, Renshaw I, Headrick J, Martin D & Farrow D | 2018 | Frontiers in Psychology 9 (25) | Cross-sectional stydy; Athletes, n=10 | Measurement | HR | Firstbeat’s heart-rate monitors was used to measure pre-fight data. Fighting in training does not have same demands than in competition. Lower levels of e.g. arousal and heart rate may affect on skill transfer from training to competition. |
| Neural Mechanisms of Qigong Sensory Training Massage for Children With Autism Spectrum Disorder: A Feasibility Study |
Jerger K, Lundegard L, Piepmeier A, Faurot K, Ruffino A, Jerger M & Belger A | 2018 | Global Advances in Health and Medicine 7, 1-10 | Cross-sectional study; Children, n=20 | Measurement | RR-intervals | Bodyguard 2 was used to monitor RR-intervals for HRV analysis of autistic children in a study exploring the feasibility of Qisong Sensory Training. |
| Rating of perceived exertion is a stable and appropriate measure of workload in judo |
Bromley S, Drew M, McIntosh A & Talpey S | 2018 | Journal of Science and Medicine in Sport | Cross-sectional study; Athletes, n=29 | Measurement | HR | Firstbeat’s technology was used to monitor heart rate in judo. |
| Diminished heart rate complexity in adolescent girls: a sign of vulnerability to anxiety disorders? |
Fiol-Veny A, Torre-Luque A, Balle M & Bornas X | 2018 | Anxiety, Stress & Coping 31 (4), 375-386 | Cross-sectional study; Adolecents, n=95 | Measurement | RR-intervals | Bodyguard 2 was used for data collection during school. Highly anxious subjects had lower HRV than low-anxiety group, and girls are more vulnerable to developing anxiety disorders than boys. |
| In‐season changes in heart rate recovery are inversely related to time to exhaustion but not aerobic capacity in rowers |
Haraldsdottir K, Brickson S, Sanfilippo J, Dunn W & Watson A | 2018 | Scand J Med Sci Sports 28, 418-424 | Cross-sectional study; Athletes, n=22 | Measurement | HR | Firstbeat’s chest strap monitor was used to collect HR in a study exploring if in‐season changes in heart rate recovery (HRR) are related to aerobic fitness and performance in collegiate rowers. |
| No effect of a pulsed magnetic field on induced ischemic muscle pain. A double-blind, randomized, placebo-controlled trial |
Szemerszky R, Szabolcs Z, Bogdány T, Jánossy G, Thuróczy G & Köteles F | 2018 | Physiology & Behavior 184, 55-59 | Randomized controlled trial; University students, n=70 | Applied use | HR | Pulsed magnetic field device had no spesific effect on acute ischemic muscle pain. HR was collected and analyzed with Firstbeat Sports. |
| Physical fitness and prior physical activity are both associated with less cortisol secretion during psychosocial stress |
Wood C, Clow A, Hucklebridge F, Law R & Smyth N | 2018 | Anxiety, Stress & Coping 31 (2), 135-145 | Cross-sectional study; Non-athletes, n=164 | Measurement | HR | The study explored the effect of fitness and acute physical activity on stress responses elicited by a stress task (Trier Social Stress Test, TSST-G). During the physical activity (PA) and for fitness evaluation HR was monitored with Firstbeat Bodyguard 2. Fitter individuals had reduced cortisol secretion during psychososial stress and that prior PA reduced cortisol concentrations during psychosocial stress. The results suggest that physical activity may reduce the impact of stress on health. |
| No effect of a pulsed magnetic field on induced ischemic muscle pain. A double-blind, randomized, placebo-controlled trial | Szemerszkya R, Szabolcs Z, Bogdány T, Jánossy G, Thuróczy G & Köteles F | 2018 | Physiology & Behavior, 184: 1: 55-59 | Experimental study; Healthy subjects, n=70 | Measurement | HR | Firstbeat teambelt was used for HR monitoring in a randomized, double-blind, placebo-controlled experiment where the impact of a commercially available whole-body PEMF mat on acute ischemic muscle pain induced in the forearm was studied. |
| Heart rate variability changes from traditional vs. ultra–short-term recordings in relation to preseason training load and performance in futsal players |
Nakamura FY, Antunes P, Nunes C, Costa JA, Esco MR & Travassos B. | 2018 | Journal of Strength and Conditioning Research | Experimental study; Male futsal players, n=11 | Measurement | RR-intervals | The study analyzed HRV changes in futsal players during preseason training using both “criterion” (10-minute) and ultra-shortened (2-minute) measures, and determined whether they were related to changes in the Yo-Yo Intermittent RecoveryTest, performance and accumulated training load. Firstbeat Sports was used to collect HRV. |
| A biomechanical and physiological study of office seat and tablet device interaction |
Weston E, Le P, Marras WS | 2017 | Applied Ergonomics 62 (2017) 83e93 | Experimental study; Adults, n = 20 | Applied use | HRV | Firstbeat Bodyguard 2 was used to measure HRV in a study comparing the ergonomic strain caused by different working positions and devices. They found HRV can serve as an objective measure of seating discomfort. |
| Feasibility of high-intensity interval training with hyperoxia vs. intermittent hyperoxia and hypoxia in cancer patients undergoing chemotherapy – Study protocol of a randomized controlled trial | Schumann M, Schulz H, Hackney AC, Bloch W | 2017 | Contemporary Clinical Trials Communications, 8: 213-217 | Experimental study | Applied use | None | The paper describes a study protocol of an exercise intervention RCT study for cancer patients. Firstbeat Bodyguard 2 will be used to collect HRV information. |
| Daily monitoring of the internal training load by the heart rate variability: A case study |
Ornelas F, Nakamura F, Dos-Santos J, Batista D, Meneghel V, Nogueira W, Brigatto F, Germano M, Sindorf M, Moreno M, Lopes C & Braz T | 2017 | Official research journal of the American society of exercise physiologists 20(1): 151-163 | Case study; Adult, n = 1 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to record HRV for assessing internal training load of one amateur road running athlete |
| Heart rate variability during sitting, standing and treadmill exercise: a case study | Cox J, Balcavage W, Panta M, Geib R, Oggero E & Waite G | 2017 | ISA 2017 | A case study; Adult, n=1 | Measurement | RR-intervals | The aim of this study was to examine the stability and repeatability of HRV during several months. Bodyguard 2 was used for data collection 24 times during sitting, standing and progressive treadmill loads. |
| Evaluating the low back biomechanics of three different office workstations: seated, standing, and perching |
Le P & Marras W | 2016 | Applied ergonomics 56: 170-178 | Cohort study; Adults, n = 20 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to measure physiological discomfort assessed via heart rate to study low back biomechanics of three different office workstations |
| Cardiac-activity measures for assessing airport ramp-tower controller’s workload |
Hayashi M & Dulchinos V | 2016 | Proceedings of the Human Factors and Ergonomics Society Annual Meeting | Cross-sectional study; Adults, n = 6 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to measure HRV for assessing workload of airport ramp-tower controllers |
| Autonomic responses to ultrasound guided percutaneous needle electrolysis of the patellar tendon in healthy male footballers |
de la Cruz Torres B, Cabello M, Bermejo P & Orellana J | 2016 | Acupuncture in medicine 34(4):275-279 | Randomized controlled trial; Adults, n = 22 | Measurement | RR-intervals | Firstbeat Bodyguard device was used to record HRV to study autonomic responses to ultrasound-guided percutaneous needle acupuncture |
| Developmental origins of infant stress reactivity profiles: A multi-system approach |
Rash J, Thomas J, Campbell T, Letourneau N, Granger D & Giesbrecht G | 2016 | Developmental Psychobiology 58(5): 578-599 | Cohort study; Adults (women), n = 254 and their infants | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to measure HRV in approx. 6 month old infants and their mothers in a study examining the development of stress reactivity profiles of infants |
| The role of maternal cardiac vagal control in the association between depressive symptoms and gestational hypertension |
Rouleau C, Tomfohr-Madsen L, Campbell T, Letourneau N, O’Beirne M, Giesbrecht G & The APrON Study Team | 2016 | Biological Psychology 117: 32-42 | Cohort study; Adults (pregnant women), n = 287 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to measure HRV in a study examining the role of HRV in the association between depressed mood and gestational hypertension during pregnancy |
| Connected heart rate sensors to monitor sleep quality: electrodes, chestbelt and smartwatch users acceptability |
Simonnet M, Billot R & Gourvennec B | 2016 | CHASE 2016: IEEE First Conference on Connected health: Applications, systems and engineering technologies | Experimental study; Adults, n = 12 | Usability | RR-intervals | Firstbeat Bodyguard 2 device acceptability during sleep was tested and compared with 2 other monitors with Firstbeat analytics inside |
| Towards 24/7 continuous heart rate monitoring |
Tarniceriu A, Parak J, Renevey P, Nurmi M, Bertschi M, Delgado-Gonzalo R & Korhonen I | 2016 | 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) | Experimental study; Adults, n = 42 | Validity | RR-intervals | Firstbeat Bodyguard was used as an ECG-based reference in a study aiming to develop an algorithmic approach to reduce power consumption of the optical HR monitoring technology in 24/7 HR monitoring |
| A biomechanical and physiological study of office seat and tablet device interaction |
Weston E, Le P & Marras W | 2016 | Applied Ergonomics 62: 83-93 | Experimental study; Adult 20 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to investigate physiological discomfort and the effects of two different chairs, two different devices, and their interaction. |
| Acute and dealyed response to resistance exercise leading or not leading to muscle failure |
Pareja-Blanco F, Rodriguez-Rosell D, Sanchez-Medina L, Ribas-Serna J, Lopez-Lopez C, Mora-Custodio R, Yanez-Garcia JM & Gonzales-Badillo J | 2016 | Clinical Physiology Functional Imaging (Epub ahead of print) doi: 10.1111/cpf.12348 | Experimental study; Adults n = 10 | Measurement | RR-intervals | Firtsbeat Bodyguard 2 device was used to study autonomic cardiovascular response to resistance exercise protocols differing in the number of repetitions per set |
| Heartbeat scaling in early adolescents: Its association with anxiety symptoms and sensitivity to punishment |
de la Torre-Luque A, Fiol-Veny A, Balle M & Bornas X | 2016 | International Journal of Clinical and Health Psychology 16: 287-294 | Case-control study; Adolescents n = 50 | Measurement | RR-intervals | Firstbeat Bodyguard was used to evaluate if risk of anxiety disorders may be seen in HRV parameters |
| Long-Term Monitoring of Physical Behavior Reveals Different Cardiac Responses to Physical Activity among Subjects with and without Chronic Neck Pain |
Hallman D, Mathiassen SE, Lyskov E | 2015 | BioMed Research International | Case-control study; Adults, n = 56 | Applied use | HRV | Firstbeat Bodyguard device was used for measuring HRV in a study assessing differences in HRV responses to daily physical activity between subjects with and without chronic neck pain |
| Evaluation of the beat-to-beat detection accuracy of PulseOn wearable optical heart rate monitor |
Parak J, Tarniceriu A, Renevey P, Bertschi M, Delgado-Gonzalo R & Korhonen I | 2015 | Study by PulseOn | Experimental study; Adults, n = 10 | Validity | RR-intervals | Firstbeat Bodyguard 2 device was used as an ECG-based reference device against optical beat-by-beat measurement |
| Two new indexes for the assessment of autonomic balance in elite soccer players |
Orellana J, de la Cruz Torres B, Cachadña ES, de Hoyo M & Cobo SD | 2015 | International Journal of Sports Physiology Perform 10(4): 452-457 | Experimental study; Adults, n = 25 | Measurement | RR-intervals | Firstbeat Bodyguard device was used for measuring HRV in a study assessing autonomic nervous system balance in elite soccer players |
| Changes in physical activity and heart rate variability in chronic neck-shoulder pain: monitoring during work and leisure time |
Hallman D, Ekman A & Lyskov E | 2014 | International archives of occupational and environmental health 87(7): 735-744 | Case-control study; Adults, n = 56 | Measurement | RR-intervals | Firstbeat Bodyguard device was used to measure HRV during sleep to astudy autonomic responses of workers with chronic neck-shoulder pain vs. matched workers without pain |
| Cognitive, behavioral, and autonomic correlates of mind wandering and perseverative cognition in major depression |
Ottaviani C, Shahabi L, Tarvainen M, Cook I, Abrams M & Shapiro D | 2014 | Frontiers in Neuroscience 8: 433 | Case-control study; Adults, n = 36 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to measure HRV in a study aiming to examine the autonomic concomitants of functional vs. dysfunctional intrusive thoughts in Major Depressive Disorder |
| Heart rate variability and phantom pain in male amputees: Application of linear and nonlinear methods |
Cachadiña ES, Garcia PG, Da Luz T, Esteban RG, Perez OB, Orellana N & de la Rosa B | 2013 | Journal of Rehabilitation Research & Development 50(3): 449-454 | Cross-sectional study; Adults n = 35 | Measurement | RR-intervals | Firstbeat Bodyguard and Firstbeat analysis method was used to analyze HRV in a study investigating autonomic nervous system function in adult males with amputation |
| Cognitive Performance and Heart Rate Variability: The Influence of Fitness Level |
Luque-Casado A, Zabala M, Morales E, Mateo-March M & Sanabria D | 2013 | PlosOne 8(2): e56935 | Cross-sectional study; Young males n = 26 | Measurement | RR-intervals | Firstbeat Bodyguard 2 device was used to record HRV during the experimental sessions in a study investigating the relation between cognitive performance and heart rate variability as a function of fitness level |
| Cognitive Performance and Heart Rate Variability: The Influence of Fitness Level |
Luque-Casado A , Zabala M, Morales E, Mateo-March M & Sanabria D | 2013 | PLoS One. 8(2): e56935. | Cross-sectional study; Males, n=28 | Applied use | HRV | The study investigated the relation between cognitive performance and HRV as a function of fitness level. Two groups of participants, a high-fit group and a low-fit group were performing three cognitive tasks (a psychomotor vigilance task, a temporal orienting task, and a duration discrimination task). Firstbeat Bodyguard and Firstbeat athlete were used for HRV analysis. |