A person sustains a tear to the proximal attachment of the long head of the biceps.Which of the following movements are MOST LIKELY to be affected by this injury?

Question

Quizplus · Accepted Answer

The proximal attachment of the long head of the biceps is at the shoulder joint. Therefore, any movement that involves shoulder flexion will be affected. The long head of the biceps also supinates the forearm, so forearm supination will also be affected. Elbow flexion is also involved, but it is not unique to the long head of the biceps, as other muscles also contribute to this movement. Therefore, choice B, which includes shoulder flexion, elbow flexion, and forearm supination, is the best answer.

A Person Sustains a Tear to the Proximal Attachment of the Long