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Estimating Algorithm of Physical Activity Energy Expenditure and Physical Activity Intensity using a Tri-axial Accelerometer  

Kim, D.Y. (연세대학교 의과대학 의학공학교실)
Hwang, I.H. (재활공학연구소)
Jeon, S.H. (연세대학교 의과대학 의학공학교실)
Bae, Y.H. (연세대학교 의과대학 의학공학교실)
Kim, N.H. (연세대학교 의과대학 의학공학교실)
Publication Information
Journal of rehabilitation welfare engineering & assistive technology / v.5, no.1, 2011 , pp. 27-33 More about this Journal
Abstract
Estimating algorithm of physical activity energy expenditure and physical activity intensity was implemented by using a tri-axial accelerometer motion detector of the SVM(Signal Vector Magnitude) of 3-axis(x, y, z). A total of 10 participants(5 males and 5 females aged between 20 and 30 years). The ActiGraph(LLC, USA) and Fitmeter(Fit.life, korea) was positioned anterior superior iliac spine on the body. The activity protocol consisted of three types on treadmill; participants performed three treadmill activity at three speeds(3, 5, 8 km/h). Each activity was performed for 7 minutes with 4 minutes rest between each activity for the steady state. These activities were repeated four weeks. Algorithm for METs, kcal and intensity of activities were implemented with ActiGraph and Fitmeter correlation between the data.
Keywords
Tri-axial accelerometer; Energy Expenditure; Physical Activity; Physical Intensity;
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Times Cited By KSCI : 3  (Citation Analysis)
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