Background Posture has been recently integrated into activity guidelines, advising people to
limit their sedentary time and break up sedentary postures with standing/stepping as much …

Background Accumulating step counts and engaging in moderate-to-vigorous intensity
physical activity is positively associated with numerous health benefits. The activPAL is a …

Use of wearable devices that monitor physical activity is projected to increase more than
fivefold per half-decade. We investigated how device-based physical activity energy …

Objectives The aim of this study was to evaluate the accuracy of three consumer-based
activity monitors, Fitbit Charge 2, Fitbit Alta, and the Apple Watch 2, all worn on the wrist, in …

Consumer wearable technology use is widespread and there is a need to validate measures
obtained in uncontrolled settings. Because no standard exists for the treatment of heart rate …

• Divergence in summary estimates within and between devices obstructs efforts to pool data
and preclude betweenstudy comparisons, which are necessary to develop coherent public …

Purpose: A systematic review to summarize the validity and reliability of steps, distance,
energy expenditure, speed, elevation, heart rate, and sleep assessed by Garmin activity …

Background: Although it is widely recognized that physical activity is an important
determinant of health, assessing this complex behavior is a considerable challenge …

Equivalence testing may provide complementary information to more frequently used
statistical procedures because it determines whether physical behavior outcomes are …

Background Technological advances have recently made possible the estimation of
maximal oxygen consumption (V O2max) by consumer wearables. However, the validity of …