Incorrect muscle usage and muscle fatigue are a leading
cause of many sports injures. As a result, sensing and monitoring
muscles, as well as human motion, is important. Toward
this end, we present the Muscle Activity Recognition
System (MARS) system. MARS utilizes a system of small
inertial sensors to deduce body motion and muscle fatigue.
In this demo we demonstrate how MARS’ sensors, placed
on the major muscles of the lower body (hamstrings, quadriceps,
calves), are used for motion capture and muscle fatigue
determination. The system uses an animated human body
model to display the motion of the subject, and highlight using
different colors, the fatigue status of the muscles in use.