BMC Sports Sci Med Rehabil. 2015 Jun 30;7:14. doi: 10.1186/s13102-015-0008-7. eCollection 2015.
Validity and reliability of Nike + Fuelband for estimating physical activity energy expenditure.
BMC sports science, medicine & rehabilitation
Wesley J Tucker, Dharini M Bhammar, Brandon J Sawyer, Matthew P Buman, Glenn A Gaesser
Affiliations
Affiliations
- Healthy Lifestyles Research Center, School of Nutrition and Health Promotion, Arizona State University, 550 N Third St., Phoenix, AZ 85004 USA.
- Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Hospital Dallas and UT Southwestern Medical Center Dallas, Dallas, TX USA.
- Departments of Biology and Kinesiology, Point Loma Nazarene University, San Diego, CA USA.
PMID: 26751385
PMCID: PMC4705763 DOI: 10.1186/s13102-015-0008-7
Abstract
BACKGROUND: The Nike + Fuelband is a commercially available, wrist-worn accelerometer used to track physical activity energy expenditure (PAEE) during exercise. However, validation studies assessing the accuracy of this device for estimating PAEE are lacking. Therefore, this study examined the validity and reliability of the Nike + Fuelband for estimating PAEE during physical activity in young adults. Secondarily, we compared PAEE estimation of the Nike + Fuelband with the previously validated SenseWear Armband (SWA).
METHODS: Twenty-four participants (n = 24) completed two, 60-min semi-structured routines consisting of sedentary/light-intensity, moderate-intensity, and vigorous-intensity physical activity. Participants wore a Nike + Fuelband and SWA, while oxygen uptake was measured continuously with an Oxycon Mobile (OM) metabolic measurement system (criterion).
RESULTS: The Nike + Fuelband (ICC = 0.77) and SWA (ICC = 0.61) both demonstrated moderate to good validity. PAEE estimates provided by the Nike + Fuelband (246 ± 67 kcal) and SWA (238 ± 57 kcal) were not statistically different than OM (243 ± 67 kcal). Both devices also displayed similar mean absolute percent errors for PAEE estimates (Nike + Fuelband = 16 ± 13 %; SWA = 18 ± 18 %). Test-retest reliability for PAEE indicated good stability for Nike + Fuelband (ICC = 0.96) and SWA (ICC = 0.90).
CONCLUSION: The Nike + Fuelband provided valid and reliable estimates of PAEE, that are similar to the previously validated SWA, during a routine that included approximately equal amounts of sedentary/light-, moderate- and vigorous-intensity physical activity.
Keywords: Accelerometers; Energy expenditure; Measurement; Physical activity; SenseWear armband
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