APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -The triceps brachii is a large, thick muscle on the dorsal part of the upper arm. It often appears in the shape of a horseshoe on the posterior aspect of the arm. The primary function of the triceps is the extension of the elbow joint.

Detailed explanation-2: -The triceps brachii muscle is the major extensor muscle of the elbow joint and is the antagonist muscle to the biceps brachii and brachialis muscles.

Detailed explanation-3: -The triceps and biceps brachii are the main muscles controlling the movements of the elbow. The main function of triceps brachii is extension of the forearm at the elbow joint.

Detailed explanation-4: -The triceps is an extensor muscle, unlike the biceps, which is a flexor muscle.

Detailed explanation-5: -extensor muscle, any of the muscles that increase the angle between members of a limb, as by straightening the elbow or knee or bending the wrist or spine backward. The movement is usually directed backward, with the notable exception of the knee joint.