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 …

Wearable activity trackers (WAT) are electronic monitoring devices that enable users to track
and monitor their health-related physical fitness metrics including steps taken, level of …

Background: Taking fewer than the widely promoted “10 000 steps per day” has recently
been associated with lower risk of all-cause mortality. The relationship of steps and …

This paper analyses the state of the art on accuracy and metrological characteristics of wrist-
worn and chest-strap wearable devices, in comparison with reference instruments. Basing …

Objective To understand the validity and reliability of consumer-grade activity trackers
(consumer wearables) in older, community-dwelling adults. Methods A systematic review of …

Aim To quantify the type and duration of physical activity performed by hospitalized adults.
Background Inactivity is pervasive among hospitalized patients and is associated with …

Consumer wearable and smartphone devices provide an accessible means to objectively
measure physical activity (PA) through step counts. With the increasing proliferation of this …

Background: As commercially available activity trackers are being utilized in clinical trials,
the research community remains uncertain about reliability of the trackers, particularly in …

Cardiovascular diseases kill 18 million people each year. Currently, a patient's health is
assessed only during clinical visits, which are often infrequent and provide little information …