Evaluation of low-intensity physical activity by triaxial accelerometry

Obesity
Taishi MidorikawaIzumi Tabata

Abstract

To develop regression-based equations that estimate physical activity ratios [energy expenditure (EE) per minute/sleeping metabolic rate] for low-to-moderate intensity activities using total acceleration obtained by triaxial accelerometry. Twenty-one Japanese adults were fitted with a triaxial accelerometer while also in a whole-body human calorimeter for 22.5 hours. The protocol time was composed of sleep (8 hours), four structured activity periods totaling 4 hours (sitting, standing, housework, and walking on a treadmill at speeds of 71 and 95 m/min, 2 x 30 minutes for each activity), and residual time (10.5 hours). Acceleration data (milligausse) from the different periods and their relationship to physical activity ratio obtained from the human calorimeter allowed for the development of EE equations for each activity. The EE equations were validated on the residual times, and the percentage difference for the prediction errors was calculated as (predicted value - measured value)/measured value x 100. Using data from triaxial accelerations and the ratio of horizontal to vertical accelerations, there was relatively high accuracy in identifying the four different periods of activity. The predicted EE (882 +/- 150 kcal/10.5 hou...Continue Reading

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Citations

Feb 12, 2009·European Journal of Applied Physiology·Klaas R Westerterp
Jun 4, 2011·Journal of Physiological Anthropology·Jonghoon ParkIzumi Tabata
Feb 9, 2010·Gait & Posture·Yoshitake OshimaIzumi Tabata
Dec 3, 2014·Archives of Physical Medicine and Rehabilitation·Gustavo J AlmeidaSara R Piva
Feb 7, 2017·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·G Plasqui
Feb 10, 2018·The International Journal of Behavioral Nutrition and Physical Activity·Kieran P DowdAlan E Donnelly
Aug 7, 2009·Medicine and Science in Sports and Exercise·Alberto G BonomiKlaas R Westerterp
May 15, 2013·Medicine and Science in Sports and Exercise·Kathryn L DanneckerRaymond C Browning
Feb 27, 2019·The Journal of the American Academy of Orthopaedic Surgeons·Darryl C WhitneyJames P Lawrence
Jul 19, 2013·Medicine and Science in Sports and Exercise·Kate LydenPatty S Freedson
May 4, 2017·The International Journal of Behavioral Nutrition and Physical Activity·Shiho AmagasaShigeru Inoue
May 21, 2020·International Journal of Environmental Research and Public Health·Byung Cheol LeeSung-Hee Kim
Aug 31, 2019·International Journal of Environmental Research and Public Health·Shohei YanoKoichiro Oka

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