Anterior compartment of the arm
Anterior Compartment of the Arm
The Anterior Compartment of the Arm (pronunciation: an-TEER-ee-or kuhm-PART-muhnt of the arm) is a specific region in the upper limb of the human body. It is one of the two compartments in the arm, the other being the Posterior Compartment of the Arm.
Etymology
The term "Anterior Compartment of the Arm" is derived from the Latin words 'ante' meaning 'before' and 'compartimentum' meaning 'division'.
Anatomy
The Anterior Compartment of the Arm is located in the front part of the arm and is separated from the Posterior Compartment of the Arm by the Humerus and the lateral and medial intermuscular septa. It contains three muscles: the Biceps Brachii, the Brachialis, and the Coracobrachialis. These muscles are primarily responsible for flexion at the Elbow Joint and are innervated by the Musculocutaneous Nerve.
Related Terms
- Biceps Brachii: One of the three muscles in the Anterior Compartment of the Arm, responsible for flexion at the elbow joint and supination of the forearm.
- Brachialis: This muscle lies underneath the Biceps Brachii and is a major contributor to elbow flexion.
- Coracobrachialis: The smallest of the three muscles, it assists in flexion and adduction of the arm at the shoulder joint.
- Humerus: The bone that separates the Anterior and Posterior Compartments of the Arm.
- Elbow Joint: The joint where the three muscles in the Anterior Compartment of the Arm primarily exert their actions.
- Musculocutaneous Nerve: The nerve that innervates the muscles in the Anterior Compartment of the Arm.
External links
- Medical encyclopedia article on Anterior compartment of the arm
- Wikipedia's article - Anterior compartment of the arm
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