Damage to the Pectoralis Major Would Interfere with a Person's

Question

Damage to the pectoralis major would interfere with a person's ability to
A) extend the forearm.
B) abduct the humerus.
C) flexion of the humerus.
D) elevate the scapula.
E) rotate the elbow.

Accepted Answer

The pectoralis major is a muscle that attaches to the humerus, therefore allowing it to flex. Damage to this muscle would therefore interfere with an individual's ability to flex their humerus.