The rotator cuff is a group of muscles that acts to stabilize the shoulder joint during activity. The shoulder joint is one of only two joints in the body that has a wide range of motion in every plane, with the other joint being the hip joint.

The rotator cuff is comprised of four small muscles deep within in the shoulder that hold your arm bone in the shoulder socket. These muscles also contribute to the inward and outward rotation of your arm.

Injuries from exercise can happen instantly or slowly. You don’t have to have a sudden traumatic injury to tear your rotator cuff; you can gradually develop a rotator cuff tear as a result of overuse or wear and tear.

According to HealthScout.com, a rotator cuff injury is one of the most common shoulder injuries. It often makes it painful and difficult to move the injured arm or shoulder until the muscles have strengthened and the injury has healed.

The rotator cuff is the group of small muscles and tendons that move and stabilize your arm within your shallow shoulder socket. Because the rotator cuff permits a wide range of shoulder motions, injuries are common.

From sports to general daily activities, the shoulder's exceptional range of motion makes it very vulnerable to injury. Among the most painful injuries that a shoulder can sustain is a complete or partial tear of the rotator cuff.

The shoulder is a complex joint with multiple tendons and muscles surrounding it. Diagnosis of muscle and tendon tears within the shoulder requires tests that allow visualization inside the joint. Arthrograms and MRI scans are different tests that can be used to detect damage to the rotator cuff.

Pushups are a great exercise for upper body conditioning. Too many pushups, or pushups done with poor technique, can overstress the shoulder joints. Many structures come together at the shoulder, including the muscles of the rotator cuff, which can be injured by poor pushup positioning.

The rotator cuff is a group of tendons in the shoulder that helps stabilize the shoulder. The supraspinatus, infraspinatus, subscapularis and teres minor muscles make up the rotator cuff.

Your rotator cuff is a group of four muscles and their tendons -- supraspinatus, infraspinatus, teres minor and subscapularis -- that help stabilize your shoulder.

Your doctor might choose to administer cortisone injections if you have a rotator cuff injury. It is not generally recommended that a person have repeated cortisone injections. According to Drs. Matsen and Warme, a person should not receive more than four injections total and no more than two close together.

The rotator cuff is a series of four small muscles that allow the shoulder to move. If these muscles get torn or damaged, it can impact your ability to move your shoulder. While surgery is an option, there are non-surgical ways for the shoulder to heal when the muscles are not torn completely.