Answer:
triceps brachii
Explanation:
The triceps brachii is a muscle located at the arm. It is a posterior muscle consisting of a long, medial and lateral head which originates from the humerus. It also covers almost the entire length of the humerus.
The functions of triceps brachii are:
- Extension of the forearm at the elbow joint.
- The extension and adduction of the arm at the shoulder joint as a result of its long head.
- Controls the movement of the elbow
