Description
The muscles of the arm are a group of muscles of the upper limb that act on the humerus, radius, and ulna. They are involved in movements of the arm and forearm and help to stabilize the upper limb during fine motor movements.
For classification purposes, the muscles of the arm are divided into two distinct compartments by the humerus and the medal and lateral intermuscular septa:
- muscles of the anterior compartment of arm;
- muscles of the posterior compartment of arm.
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Arm Muscle
Arm muscle circumference (AMC) is a decades-old anthropometric measurement of the amount of muscle in the arm, which theoretically reflects the total amount of muscle or protein in the body.
