its more supraspinatus muscle evaluation as infraspinatus has external rotation component in its function. also the arm does not need to be in full abduction. 90 degrees abduction is enough. above 120 degrees the glenohumeral joint is not playing a role.
its more supraspinatus muscle evaluation as infraspinatus has external rotation component in its function. also the arm does not need to be in full abduction. 90 degrees abduction is enough. above 120 degrees the glenohumeral joint is not playing a role.
phanina 3 weeks ago