Rotator Cuff Anatomy

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. There is a lubricating sac called a bursa between the rotator cuff and the bone on top of your shoulder acromion.

Rotator Cuff Surgery Summit Orthopedics Treatment Guide

The rotator cuff is a group of four muscles that hold your upper arm in place in your shoulder.

Rotator cuff anatomy. Its function is related to the glenohumeral joint where the muscles of the cuff function both as the executors of the movements of the joint and the stabilization of the joint as well. In the human body the rotator cuff is a functional anatomical unit located in the upper extremity. It helps you make all the motions of your arm and shoulder.

This is the smallest rotator cuff. Mri magnetic resonance imaging. The bursa allows the rotator cuff tendons to glide freely when you move your arm.

Can be localized to anterior lateral aspect of the shoulder with referred pain down the upper arm lateral aspect. The rotator cuff tendons cover the head of the humerus upper arm bone helping you to raise and rotate your arm. Tests for a rotator cuff tear may include.

Together with the joint capsule ligaments and shoulder labrum the rotator cuff muscles are important dynamic stabilizers and movers of the shoulder joint. The head of your upper arm bone also. Painful range of motion.

The rotator cuff of the shoulder is made up of four muscles whose tendons come together to form a covering around the head of the humerus upper arm bone and top of the shoulder. Arthrogram a special type of x ray that uses dye injected into a joint to more clearly see detail in the tendons and muscles. Each one of these muscles is part of the rotator cuff and plays an important role.

Ive just added in the muscles here and well just take a look at the muscles that make up the rotator cuff and a look at their function. The most common signs of rotator cuff injuries are. This holds your humerus in place and keeps your upper arm stable.

This is the main muscle that lets you rotate and extend your shoulder. The rotator cuff muscles are a group of muscles that originate on the scapula and insert onto the head of the humerus and provide stability across this joint. Pain may or may not be present.

Rotator cuff and shoulder anatomy the shoulder has an incredible range of motion but this means that it is also very prone to injury.

Rotator Cuff Injury Tear And Strain Treatment Guidelines