Which muscles are responsible for the primary action of the humerus in the shoulder joint motion during the propulsive phase of the overarm throw?
1) anterior deltoid
2) subscapularis
3) latissimus dorsi
4) pectoralis major
5) posterior deltoid
6) teres major

Question

Quizplus · Accepted Answer

The subscapularis, latissimus dorsi, and pectoralis major are primarily responsible for the internal rotation and adduction of the humerus during the propulsive phase of an overarm throw.

Which Muscles Are Responsible for the Primary Action of the Humerus