US Patent 6945945 Flaccid upper extremity positioning apparatus

A positioning apparatus for facilitating normal motor return by supporting a flaccid (non-innervated muscles) arm in a functional position. The arm is held in a dependant position with the scapula held in depression, retraction and neutral rotation. The shoulder joint is held in neutral rotation or slight external rotation and mild extension with the arm held at the side of the body. The elbow is held in less than 30 degrees flexion. The wrist is held in neutral deviation and neutral to mild extension. The fingers are in slight flexion and the thumb is in moderate abduction and opposition.