1. Normal motion of the shoulder joint;Codman,1934
2. Anterior acromioplasty for the chronic impingement syndrome in the shoulder;Neer;J Bone Joint Surg Am,1973
3. Scapulothoracic motion in normal shoulders and shoulders with glenohumeral instability and impingement syndrome;Warner;Clin Orthop,1992
4. Scapular kinematics during arm elevation in healthy subjects and patients with shoulder impingement syndrome;Cole;J Orthop Sports Phys Ther,1996
5. The influence of scapular retraction and protaction on the width of the subacromial space;Solem-Bertoft;Clin Orthop,1993