caa a22 4500 467939993 CHVBK 20180406153009.0 cr unu---uuuuu 170328e20061201xx s 000 0 eng 10.1007/s00421-006-0307-5 doi (NATIONALLICENCE)springer-10.1007/s00421-006-0307-5 Estimating energy expenditure using accelerometers [Elektronische Daten] [Scott Crouter, James Churilla, David Bassett Jr] The purpose of this study was to examine the validity of published regression equations designed to predict energy expenditure (EE) from accelerometers (Actigraph, Actical, and AMP-331) compared to indirect calorimetry, over a wide range of activities. Forty-eight participants (age: 35±11.4years) performed various activities that ranged from sedentary behaviors (lying, sitting) to vigorous exercise. The activities were split into three routines of six activities, and each participant performed at least one routine. The participants wore three devices (Actigraph, Actical, and AMP-331) and simultaneously, EE was measured with a portable metabolic system. For the Actigraph, 15 previously published equations were used to estimate EE from the accelerometer counts. For the Actical, two published equations were used to estimate EE from the accelerometer counts. For the AMP-331 we used the manufacturer's equation to estimate EE. The Actigraph and Actical regressions tended to overestimate walking and sedentary activities and underestimate most other activities. The AMP-331 gave a close estimate of EE during walking, but overestimated sedentary/light activities and underestimated all other activities. The only equation not significantly different from actual time spent in both light and moderate physical activity was the Actigraph Freedson kcal equation. All equations significantly underestimated time spent in vigorous physical activity (P<0.05). In conclusion, no single regression equation works well across a wide range of activities for the prediction of EE or time spent in light, moderate, and vigorous physical activity. Springer-Verlag, 2006 Motion sensor nationallicence Physical activity nationallicence Oxygen consumption nationallicence Accuracy nationallicence Crouter Scott Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut Churilla James Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut Bassett Jr David Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut European Journal of Applied Physiology Springer-Verlag 98/6(2006-12-01), 601-612 1439-6319 98:6<601 2006 98 421 https://doi.org/10.1007/s00421-006-0307-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00421-006-0307-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Crouter Scott Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut NATIONALLICENCE 700 1- Churilla James Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut NATIONALLICENCE 700 1- Bassett Jr David Department of Exercise, Sport, and Leisure Studies, The University of Tennessee, Knoxville, TN, USA aut NATIONALLICENCE 773 0- European Journal of Applied Physiology Springer-Verlag 98/6(2006-12-01), 601-612 1439-6319 98:6<601 2006 98 421 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer