Supraspinatus tendinitis or painful arc syndrome occurs in the shoulder. The shoulder joint owes its stability to the ‘rotator cuff’ muscles – which are four small muscles located around the shoulder joint which help with movement, but importantly their tendons stabilise the head of the humerus within the joint capsule. The tendon of one of these muscles, commonly (supraspinatus) impinges on the acromion (the bone forming the tip of the shoulder) as it passes between the acromion and the humeral head. The supraspinatus muscles help lift up the arm sideways. 

The classic supraspinatus tendinitis symptoms are pain and tenderness over the affected arm, swelling around the affected tendon, limited mobility of the shoulder and a clicking sound might appear because of the supraspinatus tendon slipping in and out of its normal position. The main cause behind Supraspinatus Tendinitis is the inflammation of the Supraspinatus tendons. The main Supraspinatus tear cause is persistent strain and increased workload along with age related wear and tear. The Supraspinatus tendinitis treatment plan usually begins with self-care and RICE or rest, ice, compression and elevation treatment at home.

Inflammation of the tendon of the supraspinatus muscle leads to supraspinatus tendinitis. This is the most common cause of shoulder pain. Tendinitis is inflammation or irritation of a tendon — the thick fibrous cords that attach muscle to bone. The condition causes pain and tenderness just outside a joint. Most at risk for Supraspinatus Tendinitis are people whose job requires repetitive overhead motions and athletes who compete in sorts such as swimming, throwing sports, volleyball etc. Patients with Supraspinatus Tendinitis present with shoulder pain with movement and pain at night. They will also show weakness in the shoulder and arm. There is also possibility of tenderness and swelling in the upper front part of the shoulder and in some severe cases, difficulty to raise the arm to shoulder level.

Tendinitis tends to occur at the point where a tendon attaches to a bone and typically include: Pain often described as a dull ache, especially when moving the affected limb or joint, Tenderness,. Most people develop tendinitis because their jobs or hobbies involve repetitive motions, which put stress on the tendons. Using proper technique is especially important when performing repetitive sports movements or job-related activities. Improper technique can overload the tendon — which can occur. Without proper treatment, tendinitis can increase your risk of experiencing tendon rupture — a much more serious condition that may require surgery. 

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