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It contains four muscles – three in the anterior compartment (biceps brachii, brachialis, coracobrachialis), and one in the posterior compartment (triceps brachii). In this article, we shall look at the anatomy of the muscles of the upper arm – their attachments, innervation and actions.


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Your arm muscles allow you to perform hundreds of everyday movements, from making a fist to bending your thumb. We’ll go over all the muscles in your upper arm and forearm as well as explain ...


The muscles of the upper arm are responsible for the flexion and extension of the forearm at the elbow joint. Flexion of the forearm is achieved by a group of three muscles — the brachialis, biceps brachii, and brachioradialis.


This is a tutorial on the muscles of the upper arm. The muscles of the upper arm are split into anterior and posterior compartments. The anterior compartment is the flexor compartment because these muscles flex the forearm. The posterior compartment of the upper arm is the extensor compartment because it extends the forearm.


In human anatomy, the arm is the part of the upper limb between the glenohumeral joint (shoulder joint) and the elbow joint.In common usage, the arm extends to the hand. It can be divided into the upper arm, which extends from the shoulder to the elbow, the forearm which extends from the elbow to the hand, and the hand.Anatomically the shoulder girdle with bones and corresponding muscles is by ...


Muscles of the Upper Arm. View Article. Muscles in the Anterior Compartment of the Forearm. View Article. Muscles in the Posterior Compartment of the Forearm ... START NOW FOR FREE. TeachMe Anatomy. Part of the TeachMe Series. The medical information on this site is provided as an information resource only, and is not to be used or relied on ...


Muscles of the upper extremity include the muscles of the shoulder girdle, the muscles of the upper arm, the muscles of the forearm and the muscles of the hand. The use of the upper limb is essential for everyday living and it is a highly mobile part of the body that has been adapted to carry out many movements, from fine movements such as ...


The arm is one of the body’s most complex and frequently used structures. We’ll go over the bones, joints, muscles, nerves, and blood vessels that make up the human arm. Besides arm anatomy ...


WebMD's Shoulder Anatomy Page provides an image of the parts of the shoulder and describes its function, shoulder problems, and more. ... (upper arm bone) fits into the scapula (shoulder blade ...