Accuracy of kinect for measuring shoulder joint angles in multiple planes of motion

The present study aimed to test the validity of upper extremity joint angle measurements with the Microsoft Kinect for shoulder rehabilitation. Results indicate that there are large discrepancies in measured shoulder angles from the Kinect compared to the gold standard (magnetic tracker) and the clinical standard (goniometer). Before the Kinect can be used to measure movements for clinical rehabilitation, understanding its limitations in precision and accuracy of measuring specific joint motions is imperative.