Wrist accelerometers are being used in population level surveillance of physical activity (PA)
but more research is needed to evaluate their validity for correctly classifying types of PA …

This investigation developed models to estimate aspects of physical activity and sedentary
behavior from three-axis high-frequency wrist-worn accelerometer data. The models were …

Objective: Accelerometers are promising tools for characterizing physical activity (PA)
patterns in free‐living persons. To date, validation of energy expenditure (EE) predictions …

Purpose Accelerometers are a valuable tool for objective measurement of physical activity
(PA). Wrist-worn devices may improve compliance over standard hip placement, but more …

Abstract Previously the National Health and Examination Survey measured physical activity
with an accelerometer worn on the hip for seven days, but recently changed the location of …

Purpose The purpose of this study was to develop, validate, and compare energy
expenditure (EE) prediction models for accelerometers placed on the hip, thigh, and wrists …

Purpose To compare physical activity estimates across different accelerometer wear
locations, wear time protocols, and data processing techniques. Methods A convenience …

Background Recent evidence suggests that physical activity (PA) and sedentary behavior
(SB) exert independent effects on health. Therefore, measurement methods that can …

Background Wrist-worn accelerometers are emerging as the most common instrument for
measuring physical activity in large-scale epidemiological studies, though little is known …

Accelerometers are often used to quantify the acceleration of the body in arbitrary units
(counts) to measure physical activity (PA) and to estimate energy expenditure. The present …