Muscle Anatomy Of The Shoulder

The supraspinatus is the most superior of the rotator cuff sitting atop the scapula. The collection of muscles and tendons in the shoulder is known as the rotator cuff.

Anatomy Of The Rotator Cuff

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.

Muscle anatomy of the shoulder. 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 clavicle collarbone meets the acromion in the acromioclavicular joint.

Overview of the muscles of the upper arm and shoulder blade. It then stretches downward to near the center of the humerus bone. They produce the characteristic shape of the shoulder and can be divided into two groups.

Anatomy of the shoulder animation video. The supraspinatus infraspinatus teres minor and subscapularis all of which form a cuff which helps to form the joint capsule at the shoulder. The deltoid muscle covers the shoulder joint on three sides arising from the front upper third of the clavicle the acromion and the spine of the scapula and travelling to insert on the deltoid tubercle of the humerus.

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 shoulder joint is formed where the humerus upper arm bone fits into the scapula shoulder blade like a ball and socket. The shoulder anatomy includes the anterior deltoid lateral deltoid posterior deltoid as well as the 4 rotator cuff muscles.

Muscles of the upper arm and the shoulder blade. Overview of the muscles of the upper arm and shoulder blade. The acromion is a bony projection off the scapula.

It stretches across the top of the shoulder from the clavicle in the front to the scapula in the back. It stabilizes the shoulder and holds the head of the humerus in the glenoid a shallow cavity in the scapula. Rotator cuff anatomy video clearly explain shoulder anatomy and.

The muscles of the shoulder are associated with movements at the shoulder joint. Anatomy of the shoulder muscles and ligament the rotator cuff and muscles are also shown. This large triangular muscle covers the glenohumeral joint and gives the shoulder its rounded off shape.

The largest of these shoulder muscles is the deltoid. The four rotator cuff muscles or sits muscles include. Other important bones in the shoulder include.

Shoulder Muscles Anatomy And Functions Kenhub