Rotator Cuff Anatomy

This holds your humerus in place and keeps your upper arm stable. In the human body the rotator cuff is a functional anatomical unit located in the upper extremity.

Rotator Cuff Syndrome Rotator Cuff Tear Rotator Cuff

This is the smallest rotator cuff.

Rotator cuff anatomy. The rotator cuff is a group of four muscles that hold your upper arm in place in your shoulder. There is a lubricating sac called a bursa between the rotator cuff and the bone on top of your shoulder acromion. The most common signs of rotator cuff injuries are.

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. Tests for a rotator cuff tear may include. 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.

Can be localized to anterior lateral aspect of the shoulder with referred pain down the upper arm lateral aspect. This is the main muscle that lets you rotate and extend your shoulder. 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.

Each one of these muscles is part of the rotator cuff and plays an important role. Pain may or may not be present. It helps you make all the motions of your arm and shoulder.

Painful range of motion. The rotator cuff tendons cover the head of the humerus upper arm bone helping you to raise and rotate your arm. 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.

The bursa allows the rotator cuff tendons to glide freely when you move your arm. Arthrogram a special type of x ray that uses dye injected into a joint to more clearly see detail in the tendons and muscles. Together with the joint capsule ligaments and shoulder labrum the rotator cuff muscles are important dynamic stabilizers and movers of the shoulder joint.

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. The head of your upper arm bone also. Mri magnetic resonance imaging.

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 Physiopedia

Rotator Cuff Tears Physiopedia