The present disclosure relates to a system and method of detecting activity by a wheelchair
user. In one aspect, a method comprises collecting motion data of a user device located on …

A relationship relating a load of exercise and a user's aerobic capacity may be determined
as follows. A processor circuit of a device may retrieve, from a memory, a prior probability …

Improved techniques and systems are disclosed for determining the components of
resistance experienced by a wearer of a wearable device engaged in an activity such as …

Disclosed systems and methods relate to determining an intensity level of an exercise using
a photoplethysmogram (PPG) sensor. A method of determining an intensity level of an …

In one aspect, the present disclosure relates to a method including obtaining, by a fitness
tracking device, a plurality of heart rate measurements of the user over a period of time …

A method and a system for determining an energy expenditure of a user by detecting
unmeasurable loads using heart rate and work rate are described. Time-stamped heart rate …

In one aspect, the present disclosure relates to a method, including determining, by a
wearable device, receiving, by a wearable device, motion information from a motion sensor …

Abstract Systems and methods of analyzing a user's motion during a swimming session are
described. One or more motions sensors can collect motion data of the user. A processor …

A system and method for collecting motion data using a fitness tracking device located on an
arm of a user, detecting that the arm is constrained based on the motion data, estimating a …

Disclosed embodiments include wearable devices and techniques for detecting walking
workouts. By accurately and promptly detecting the start of walking workouts activities and …