M L Pearl

Dynamic electromyographic analysis of the throwing shoulder with glenohumeral instability.

M L Pearl, M. Pearl, 1988, The Journal of bone and joint surgery. American volume.

A system for describing positions of the humerus relative to the thorax and its use in the presentation of several functionally important arm positions.

J A Sidles, F A Matsen, Frederick Albert Matsen IV, 1992, Journal of shoulder and elbow surgery.