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 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-3: -Triceps brachii: Commonly called the triceps, this muscle runs on the posterior side of the humerus. It is a large thick muscle that may look like a horseshoe and includes three heads: long, lateral, and medial.

Detailed explanation-4: -Anconeus. Anconeus is a small muscle located at the posterior aspect of the elbow. It stretches between the lateral epicondyle of humerus and the lateral surface of the olecranon of ulna.

Detailed explanation-5: -The triceps are responsible for elbow extension (straightening the arm). The muscles involved in wrist extension originate in the lateral side of the elbow (when your palm is facing up, it’s the outside part of elbow).