The triceps, also known as the triceps brachii , is a big muscle found on the back of many vertebrates' upper limbs. It is the muscle that is primarily responsible for elbow joint extension (straightening of the arm). The triceps, or triceps brachii (Latin for " three-headed muscle of the arm "), is a large muscle on the back of the upper limb of many vertebrates. It consists of three parts: the medial, lateral, and long head. Learn about the best tricep exercises for the three heads of the triceps , and maximize your triceps muscle growth and strength gain. The triceps brachii is a large, thick muscle on the dorsal part of the upper arm. It often appears as the shape of a horseshoe on the posterior aspect of the arm. The main function of the triceps is the extension of the elbow joint. [1]
