Anatomy Of A Shoulder Rotator Cuff

They keep the head of the humerus into the small glenoid fossa of the scapula in order to enlarge the range of motion in the glenohumeral joint and avoid mechanical obstruction. The rotator cuff are a group of muscles which are important in supporting the glenohumeral joint.

Shoulder Anatomy Rotator Cuff Repair

This is a tutorial on the rotator cuff.

Anatomy of a shoulder rotator cuff. The rotator cuff is a collection of muscles and tendons that surround the shoulder giving it support and allowing a wide range of motion. When the muscles that make up the rotator cuff shorten. They are important in shoulder movements and maintaining stability of this joint.

The main function of the rotator cuff is to stabilize and center the humeral head in the joint socket the glenoid cavity. The shoulder joint is stable because of the rotator cuff but it is also relatively weak. The bursa is a small sac of fluid that cushions and.

Anatomy of the rotator cuff. The rotator cuff always pops up in exam questions. Rotator cuff and shoulder anatomy the shoulder has an incredible range of motion but this means that it is also very prone to injury.

The shoulder blade is attached to the chest wall by additional muscles. As a result the rotator cuff indirectly connects the arm to the chest wall through its attachments to the shoulder blade. The rotator cuff is important for normal shoulder function.

It also helps you raise and rotate your arm. In addition the muscles tighten the joint capsule preventing a pinch during shoulder movements. Of the seven scapulohumeral muscles four make up the rotator cuff.

The shoulder can easily slip out of alignment by a few millimeters become weak due to regular wear and tear or become completely dislocated during a fall. In anatomy the rotator cuff is a group of muscles and their tendons that act to stabilize the shoulder and allow for its extensive range of motion. The rotator cuff refers to a group of four tendons and muscles that form a cuff to stabilize the shoulder joint and keep the arm in the shoulder socket while allowing it to move in different directions.

The rotator cuff. Your rotator cuff is made up of muscles and tendons that keep the ball head of your upper arm bone humerus in your shoulder socket. As a group the rotator cuff muscles are responsible for stabilizing the shoulder joint.

Rotator Cuff Problems