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Arm Muscles Explained

Arm muscles. The arm muscles of the upper limb act on the elbow and shoulder joints to produce the various movements of the forearm. Five arm muscles play a role in these movements: biceps brachii, brachialis, coracobrachialis, triceps brachii and anconeus. The first three are primarily involved in forearm flexion, hence they are called flexors.
There are four muscles in you upper arm, which is delimited by your shoulder joint and your elbow joint. Three of them are located in the anterior compartment — the biceps brachii, brachialis, and coracobrachialis, while the forth is located in the posterior compartment — the triceps brachii). 1. The Muscles of the Biceps
There are four muscles in you upper arm, which is delimited by your shoulder joint and your elbow joint. Three of them are located in the anterior compartment — the biceps brachii, brachialis, and coracobrachialis, while the forth is located in the posterior compartment — the triceps brachii). 1. The Muscles of the Biceps