<prompt> A rock climber falls on his shoulder, resulting in a chipping off of the lesser tubercle of the humerus. Which of the following structures would most likely have structural and functional damage?Supraspinatus muscleInfraspinatus muscleSubscapularis muscleTeres minor muscle  <response>: The subscapularis muscle inses on the lesser tubercle of the humerus. Muscle Attachment Supraspinatus Greater tuberosity Infraspinatus Greater tuberosity Teres minor Greater tuberosity Subscapularis Lesser tuberosity 