Fast-track surgery is becoming increasingly popular, whereas the monitoring of
postoperative rehabilitation remains a matter of considerable debate. The aim of this study
was to validate a newly developed wearable system intended to monitor knee function and
mobility. A sensor system with a nine-degree-of-freedom (DOF) inertial measurement unit
(IMU) was developed. Thirteen healthy volunteers performed five 10-meter walking trials
with simultaneous sensor and motion capture data collection. The obtained kinematic …