Dr Andrew Garrett A.Garrett@hull.ac.uk
Senior Lecturer in Exercise and Environmental Physiology
Bioharness™ multivariable monitoring device. Part I: Validity
Garrett, Andrew; Johnstone, James A.; Ford, Paul A.; Hughes, Gerwyn; Watson, Tim; Garrett, Andrew T.
Authors
James A. Johnstone
Paul A. Ford
Gerwyn Hughes
Tim Watson
Dr Andrew Garrett A.Garrett@hull.ac.uk
Senior Lecturer in Exercise and Environmental Physiology
Abstract
The BioharnessTM monitoring system may provide physiological information on human performance but there is limited information on its validity. The objective of this study was to assess the validity of all 5 BioharnessTM variables using a laboratory based treadmill protocol. 22 healthy males participated. Heart rate (HR), Breathing Frequency (BF) and Accelerometry (ACC) precision were assessed during a discontinuous incremental (0-12 km·h-1) treadmill protocol. Infra-red skin temperature (ST) was assessed during a 45 min-1 sub- maximal cycle ergometer test, completed twice, with environmental temperature controlled at 20 ± 0.1 °C and 30 ± 0.1 °C. Posture (P) was assessed using a tilt table moved through 160°. Adopted precision of measurement devices were; HR: Polar T31 (Polar Electro), BF: Spirometer (Cortex Metalyser), ACC: Oxygen expenditure (Cortex Metalyser), ST: Skin thermistors (Grant Instruments), P:Goniometer (Leighton Flexometer). Strong relationships (r = .89 to .99, p < 0.01) were reported for HR, BF, ACC and P. Limits of agreement identified differences in HR (-3.05 ± 32.20 b·min-1), BF (-3.46 ± 43.70 br·min-1) and P (0.20 ± 2.62°). ST established a moderate relationships (-0.61 ± 1.98 °C; r = 0.76, p < 0.01). Higher velocities on the treadmill decreased the precision of measurement, especially HR and BF. Global results suggest that the BioharressTM is a valid multivariable monitoring device within the laboratory environment.
Citation
Johnstone, J. A., Ford, P. A., Hughes, G., Watson, T., & Garrett, A. T. (2012). Bioharness™ multivariable monitoring device. Part I: Validity. Journal of sports science & medicine, 11(3), 400 - 408
Journal Article Type | Article |
---|---|
Acceptance Date | May 4, 2012 |
Online Publication Date | Sep 1, 2012 |
Publication Date | Sep 1, 2012 |
Journal | Journal of Sports Science and Medicine |
Print ISSN | 1303-2968 |
Peer Reviewed | Peer Reviewed |
Volume | 11 |
Issue | 3 |
Pages | 400 - 408 |
Keywords | Physiological technology; precision of measurement; exercise. |
Public URL | https://hull-repository.worktribe.com/output/418009 |
Publisher URL | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3737934/ |
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