Which of the following is not an agonist muscle of shoulder flexion when performing "alternating prone extension" exercise?

Question

Quizplus · Accepted Answer

The triceps brachii is not an agonist muscle of shoulder flexion; it is primarily involved in elbow extension and acts as an antagonist to muscles that flex the shoulder during the "alternating prone extension" exercise. The biceps brachii, coracobrachialis, and deltoid are all involved in shoulder flexion to varying degrees.

Which of the Following Is Not an Agonist Muscle of Shoulder