Damage to the pectoralis major would interfere with a person's ability to:

Question

Quizplus · Accepted Answer

The pectoralis major is responsible for adduction of the arm at the shoulder joint. Damage to this muscle would interfere with this movement. Abduction of the arm is primarily controlled by the deltoid muscle. Extension of the forearm is controlled by the triceps brachii muscle. Elevation of the scapula is primarily controlled by the trapezius muscle.

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