Shoulder Anatomy Muscles

All of them are supplied by the respective branches of the brachial plexus. The muscles of the shoulder bridge the transitions from the torso into the headneck area and into the upper extremities of the arms and hands.

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The collection of muscles and tendons in the shoulder is known as the rotator cuff.

Shoulder anatomy muscles. This large muscle in the back of the upper arm helps straighten the arm. The anatomy of the shoulder. Overview of the muscles of the upper arm and shoulder blade.

Explore and learn the muscles of the shoulder with our 3d interactive anatomy muscle atlas. This rotator cuff muscle helps with the raising and lowering of the upper arm. It stabilizes the shoulder and holds the head of the humerus in the glenoid a shallow cavity in the scapula.

Other muscles that aid in shoulder movement include. Explore and learn the muscles of the shoulder with our 3d interactive anatomy muscle atlas. The socket or the glenoid is shallow and flat.

It is rimmed with soft tissue called the labrum that makes a deeper socket that molds to fit the humeral head. For that reason and because of the dexterity of the shoulder joint itself the musculature of the shoulder is complex ranging from massive prime mover muscles to finer stabilizer and fixator muscles. A cuff of.

This large fan shaped muscle stretches. Anatomyzone 1 free online anatomy resource. The bursa is a small sac of fluid that cushions and protects the tendons of the rotator cuff.

Anterior shoulder muscles also called the pectoral muscles attach the upper extremity to the clavicle and the thoracic cage. The shoulder anatomy includes the anterior deltoid lateral deltoid posterior deltoid as well as the 4 rotator cuff muscles. The rotator cuff is a collection of muscles and tendons that surround the shoulder giving it support and allowing a wide range of motion.

The joint capsule surrounds the shoulder joint. Learn about these muscles their origin and insertion points and their functional anatomy. This article covers the anatomy of the biceps brachii muscle its origins and insertions innervation and functions.

The muscles of the shoulder are associated with movements at the shoulder joint. Muscles of the upper arm and the shoulder blade. They produce the characteristic shape of the shoulder and can be divided into two groups.

These muscles include the pectoralis major pectoralis minor subclavius and the serratus anterior muscle. Overview of the muscles of the upper arm and shoulder blade. The muscles of the rotator cuff keep the humerus tightly in the socket.

The shoulder has several other important structures.

11 5 Muscles Of The Pectoral Girdle And Upper Limbs