cause of shoulder pain
...r for at least four weeks. ii. Inability to use the affected arm with restriction of movement and loss of full function. iii. Pain at night causing sleep disturbance and inability to lie on the affected side. Specific shoulder symptoms include those at present with bursitis, tendinitis or capsulitis. Bursitis Inflammation of the bursa may occur from mechanical irritation. A mild inflammatory reaction in the wall of the bursa, usually causing an effusion of clear fluid within the sac of the bursa. Shoulder examinations show one of four patterns: i. Full range; both passive rotations hurt; full elevation is painless, there is no arc; the resisted movements do not hurt. ii. Full range with discomfort at extremes; a painful arc; resisted abduction and lateral rotation both hurt. iii. Changing patters of pain on resisted movement. Full painful range of passive movement. The resisted movements hurt in an erratic way, the response being pain, then not, when the test is repeated. Slight arc. iv. Slight limitation of passive abduction alone or passive medial rotation alone. The resisted movements are painless or all equally painful. No arc. Tendon related disorders There are three broad, though not separate, groups of tendon related disorders that affect the shoulder: ...