Laboratory Validation of Hexoskin Biometric Shirt at Rest, Submaximal Exercise, and Maximal Exercise While Riding a Stationary Bicycle : Journal of Occupational and Environmental Medicine

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Laboratory Validation of Hexoskin Biometric Shirt at Rest, Submaximal Exercise, and Maximal Exercise While Riding a Stationary Bicycle

Smith, Cara M. MPH; Chillrud, Steven N. PhD; Jack, Darby W. PhD; Kinney, Patrick ScD; Yang, Qiang PhD; Layton, Aimee M. PhD

Author Information

Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York (Ms Smith, Dr Jack); Department of Geochemistry, Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York (Dr Chillrud, Dr Yang); Department of Environmental Health, Boston University School of Public Health, Boston, Massachusetts (Dr Kinney); and Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Columbia University Medical Center (Dr Layton), New York, New York.

Address correspondence to: Cara M. Smith, MPH, Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, 722 West 168th Street, 1109B, New York, NY 10032 ([email protected]).

Support provided by the NIEHS (Grants R21 ES024734, and P30ES09089).

All authors report no conflict of interest.

Supplemental digital contents are available for this article. Direct URL citation appears in the printed text and is provided in the HTML and PDF versions of this article on the journal's Web site (www.joem.org).

Journal of Occupational and Environmental Medicine 61(4):p e104-e111, April 2019. | DOI: 10.1097/JOM.0000000000001537

Abstract

Objective: 

Evaluate Hexoskin performance on a stationary bike against “gold standard” laboratory equipment and develop adjustment models for future use in field settings.

Methods: 

Compared respiratory rate (RR), tidal volume (VT), minute ventilation (VE), and heart rate (HR) measured by the Hexoskin shirt to simultaneous spirometry and full 12-lead electrocardiogram during a laboratory based incremental exercise test on a stationary bicycle.

Results: 

Data from 17 participants demonstrated Hexoskin VT and VE had the best agreement in the submaximal exercise level (discrepancies less than or equal to 5.3%) with larger discrepancies observed at rest (less than or equal to 15.3%) and at maximal exercise level (less than or equal to 11.7%). The discrepancies for HR and RR were lower at all levels (less than 10%). Adjusting for sex and body weight allowed for a single VE algorithm across the entire range of effort (r2 = 0.89).

Conclusion: 

These discrepancies are acceptable for field use in comparison to the ranges typical of bicycle commuting.

Copyright © 2019 by the American College of Occupational and Environmental Medicine

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