The rotator cuff is a group of muscles and tendons that surrounds your shoulder. It holds your humerus (upper arm bone) in place in its socket in your scapula (shoulder blade). Rotator cuff injuries are common, especially among athletes who play contact sports.

As a group, the rotator cuff muscles are responsible for stabilizing the shoulder joint, by providing the "fine tuning" movements of the head of the humerus within the glenoid fossa. They are deeper muscles and are very active in the neuromuscular control of the shoulder complex during upper extremity movements.

2023年7月21日 · Your rotator cuff is made up of four muscles that combine at the shoulder. The rotator cuff stabilizes this joint and elevates/rotates the arm.

2019年11月26日 · The rotator cuff is made up of four muscles that hold your shoulder in place. It helps you perform all the movements of your upper arm and shoulder.

2023年12月12日 · What Is a 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.

2023年5月11日 · Rotator cuff injuries can range in severity from simple inflammation to complete tendon tears. The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of the upper arm bone firmly within the shallow socket of the shoulder.

2023年10月30日 · The Rotator cuff consists of a group of 4 important shoulder muscles. Learn all about origins, insertions, functions and common injuries here.

These muscles arise from the scapula and connect to the head of the humerus, forming a cuff at the shoulder joint (hence the name rotator cuff). They hold the head of the humerus in the small and shallow glenoid fossa of the scapula.

2023年3月27日 · During arm movements, the rotator muscles contract and prevent the sliding of the head of the humerus, allowing full range of motion and providing stability. Additionally, rotator cuff muscles help in the mobility of the shoulder joint by …

2025年1月28日 · The rotator cuff is a group of four muscles and their associated tendons that stabilize the shoulder joint and facilitate its movements.[2] These muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis, collectively known as …