The supraspinatus muscle runs along the top of the shoulder blade and inserts at the top of the arm, or humerus bone, and is one of the four rotator cuff muscles. A supraspinatus rupture can occur from a fall and from activities like throwing, causing an immediate, sharp shoulder pain. The treatment needed to recover from this will depend on if the rupture is partial or full.
Shoulder pain at night
Pain in the shoulder can be referred to or caused by, a problem in another area of the body such as the neck or spine. Pressure on nerves from various causes can result in pain being transmitted into the shoulder. General pain in the arm, shoulder, neck and chest areas can indicate a referred pain and should be checked out by a doctor to find any underlying causes. Read more on referred shoulder pain here.
Rotator cuff tendonitis or tendinopathy is a degenerative condition affecting one or more of the rotator cuff tendons in the shoulder. Symptoms include gradual onset shoulder pain, particularly with overhead movements
Shoulder Tendonitis or Tenosynovitis is a degenerative condition of any of the tendons surrounding the shoulder joint. This is usually the rotator cuff tendons but it can also occur in the biceps and triceps tendons. The shoulder pain usually comes on gradually and is due to repetitive movements and overuse. It is common in those with poor posture and those who use the joint a lot, like athletes who throw and manual workers.
Adhesive capsulitis is the medical term for frozen shoulder, which is a condition causing pain and restricted movement in the shoulder joint. It is normally only seen in older people, with no specific cause. The shoulder will feel tight and stiff but with treatment, the pain will gradually ease to allow movement. Getting treatment as soon as possible will help prevent the injury from becoming too severe.