Anatomy Of Shoulder Muscles

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. Front view of shoulder muscles deltoid anterior head.

E153 Shoulder Anatomy Shoulder Blade Muscles

This large muscle in the back of the upper arm helps straighten the arm.

Anatomy of shoulder muscles. The deltoid comprises 3 distinct pieces each of which offers a different movement of the glenohumeral joint usually identified the anterior mid and posterior heads. All of them are supplied by the respective branches of the brachial plexus. Plus exercises for training them.

The shoulder joint is formed where the humerus upper arm bone fits into the scapula shoulder blade like a ball and socket. Overview of the muscles of the upper arm and shoulder blade. The muscle enables the upper arm to flex in the forward direction.

The shoulder is the group of structures in the region of the joint. Other muscles that aid in shoulder movement include. This large fan shaped muscle stretches.

Anterior shoulder muscles also called the pectoral muscles attach the upper extremity to the clavicle and the thoracic cage. This article covers the anatomy of the biceps brachii muscle its origins and insertions innervation and functions. They produce the characteristic shape of the shoulder and can be divided into two groups.

Aids in drawing the shoulder blade upward and downward image source. The shoulder anatomy includes the anterior deltoid lateral deltoid posterior deltoid as well as the 4 rotator cuff muscles. These muscles include the pectoralis major pectoralis minor subclavius and the serratus anterior muscle.

This rotator cuff muscle helps with the raising and lowering of the upper arm. 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. The following is an overview of the shoulder muscle anatomy.

The deltoid is a large triangular shaped muscle which extends over the glenohumeral joint and which provides the shoulder its rounded contour. In human anatomy the shoulder joint comprises the part of the body where the humerus attaches to the scapula the head sitting in the glenoid cavity. The muscles of the shoulder are associated with movements at the shoulder joint.

The shoulder is one of the largest and most complex joints in the body. The shoulder joint also known as the glenohumeral joint is the main joint of the shoulder. Learn about these muscles their origin and insertion points and their functional anatomy.

Helps in internal rotation by allowing the individual to rotate. Overview of the muscles of the upper arm and shoulder blade. Muscles of the upper arm and the shoulder blade.

Muscles Of The Shoulder Region Teachmeanatomy