The pectoralis major muscle inserts on the greater tubercle of the humerus.When it contracts,it produces
A)flexion.
B)medial rotation.
C)abduction and rotation.
D)adduction.
E)flexion,medial rotation,and adduction.

Question

Quizplus · Accepted Answer

The pectoralis major muscle, when it contracts, primarily produces flexion, medial rotation, and adduction of the humerus at the shoulder joint.

The Pectoralis Major Muscle Inserts on the Greater Tubercle of the Humerus.When