Shoulder pain and stiffness can occur after trivial injuries and end up with stiff and painful shoulder more at night (FROZEN SHOULDER), more commonly in Diabetics.
Inability to lift the arm or very painful movement after injury can be suggestive of fracture of the shoulder, rotator cuff (muscle) tear or nerve injury.
Repeated coming out of its place is a sign of injury to the ligaments and joint capsule and needs early surgical repair(SHOULDER DISLOCATION).
Acute pain in the shoulder can occur due to Calcification in the muscle and Arthritis which can afflict the shoulder joint and also the junction of the collar bone and shoulder blade.
Scapular Dyskinesia occurs due to weak muscles on shoulder blade and need special exercises and can be a source of neck pain and shoulder pain.
Arthritis of shoulder joint can cause debilitating pain and stiffness and can be treated by joint replacement surgery in advanced cases.
Rupture of Biceps tendon and other cuff muscles can result from overuse or sudden injury and will need surgical repair for optimum outcome.
Nerve compression or entrapment at the scapular blade can cause pain and weakness in shoulder motion and needs early diagnosis and surgical release.