Background: Consumer-wearable activity trackers are small electronic devices that record
fitness and health-related measures. Objective: The purpose of this systematic review was to …

Background: Although designed as a consumer product to help motivate individuals to be
physically active, Fitbit activity trackers are becoming increasingly popular as measurement …

Background New fitness trackers and smartwatches are released to the consumer market
every year. These devices are equipped with different sensors, algorithms, and …

This review and meta-analysis (PROSPERO registration number: CRD42020138845)
critically evaluates test-retest reliability, concurrent validity and criterion validity of different …

Physical inactivity is one of the most prevalent major health risk factors, with 8 in 10 US
adults not meeting aerobic and muscle-strengthening guidelines, and is associated with a …

Background: Wearable devices have attracted much attention from the market in recent
years for their fitness monitoring and other health-related metrics; however, the accuracy of …

Background Consumer-wearable activity trackers are electronic devices used for monitoring
fitness-and other health-related metrics. The purpose of this systematic review was to …

A sedentary lifestyle and lack of physical activity are well-established risk factors for chronic
disease and adverse health outcomes. Thus, there is enormous interest in measuring …

Purpose Statistical equivalence testing is more appropriate than conventional tests of
difference to assess the validity of physical activity (PA) measures. This paper presents the …

Introduction: The use of wearable activity monitors has seen rapid growth; however, the
mode and intensity of exercise could affect validity of heart rate (HR) and caloric (energy) …