The reason you have your client laterally rotate his shoulder when moving between 90 and 180 degrees of shoulder abduction is to prevent what structure from hitting the acromion process?

Question

Quizplus · Accepted Answer

The reason for laterally rotating the shoulder during abduction between 90 and 180 degrees is to prevent the greater tubercle of the humerus from impinging against the acromion process. This rotation moves the greater tubercle out of the way, allowing for smoother movement and reducing the risk of impingement.

The Reason You Have Your Client Laterally Rotate His Shoulder