The action of the biceps brachii is ________.
A) extension at the elbow
B) extension at the elbow and extension and adduction at the shoulder
C) flexion of the forearm at the elbow, weak flexion at the shoulder, and supination of the forearm
D) flexion at the elbow

Question

Quizplus · Accepted Answer

The biceps brachii primarily performs flexion of the forearm at the elbow, contributes to weak flexion at the shoulder, and is involved in supination of the forearm.

The Action of the Biceps Brachii Is ________