Which muscles are the prime movers for elbow extension?

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Enhance your knowledge on Resisted Range of Motion and Manual Muscle Testing. Study with multiple choice questions, detailed explanations, and flashcards. Prepare effectively for your RROM and MMT exam.

Multiple Choice

Which muscles are the prime movers for elbow extension?

Explanation:
Elbow extension is produced primarily by the triceps brachii, which straightens the forearm at the elbow. The anconeus assists this motion and helps stabilize the joint, especially when resistance is applied. The other muscles shown don’t extend the elbow: the brachialis and biceps brachii flex the elbow; the brachioradialis mainly flexes the elbow in a neutral forearm position; and the deltoid acts on the shoulder, not the elbow. So the primary movers for elbow extension are the triceps brachii and the anconeus.

Elbow extension is produced primarily by the triceps brachii, which straightens the forearm at the elbow. The anconeus assists this motion and helps stabilize the joint, especially when resistance is applied. The other muscles shown don’t extend the elbow: the brachialis and biceps brachii flex the elbow; the brachioradialis mainly flexes the elbow in a neutral forearm position; and the deltoid acts on the shoulder, not the elbow. So the primary movers for elbow extension are the triceps brachii and the anconeus.

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