The upper arm is located between the shoulder joint and elbow joint. It contains four muscles – three in the anterior compartment (biceps brachii, brachialis, coracobrachialis), and one in the posterior compartment (triceps brachii).
Are triceps on the front or back of the arm?
Your triceps brachii, more commonly known as your triceps, is a group of three muscles that are located at the back of your upper arm. These muscles run between your shoulder and elbow. They help to strengthen your arm and stabilize your shoulder.
What nerve controls the triceps?
Radial Nerve: Triceps brachii (medial and lateral heads) — provides the extension of the forearm.
What is the back of your forearm called?
The radius is located on the lateral side of the forearm between the elbow and the wrist joints.
What is the lower arm muscle called?
The forearm contains many muscles, including the flexors and extensors of the digits, a flexor of the elbow (brachioradialis), and pronators and supinators that turn the hand to face down or upwards, respectively. In cross-section, the forearm can be divided into two fascial compartments.