Figure 1. Patient testing setup. Each patient performed the humeral elevation and lowering tasks between the anthropometrically assigned hand triggers. We attached electromagnetic tracking sensors to the sternum, upper arm, forearm, and scapula (not shown in photograph) of each patient while he or she sat in a wooden chair. Adapted from the Journal of Shoulder and Elbow Surgery, 17(1), Scibek JS, Mell AG, Downie BK, Carpenter JE, Hughes RE, Shoulder kinematics in patients with full-thickness rotator cuff tears following a subacromial injection, 172–181, 2008, with permission from Elsevier.¹⁰.