Refers to subacromial bursitis, rotator cuff tendinitis, supraspinatus tendinitis, and painful arc<unk> 
All are due to repetitive subacromial<unk>  due to overhead use of the arm
Shoulder range of motion should be intact
All are due to repetitive subacromial<unk>  due to overhead use of the arm
Stage 1
Classically seen in young athletes <25yr
Reversible edema and hemorrhage about the rotator cuff
Dull ache over anterolateral shoulder aggravated by activity and improved by rest
Stage 2
Seen in patients 25-40yr
Occurs if patients continue the aggravating activity without treatment
Edema and hemorrhage advance to rotator cuff tendinitis
Prolonged pain (weeks to months) or recurrence of symptoms
Chronic aching pain with daily activities and night pain
Stage 3
Rotator cuff tear
Often requires surgical decompression of the subacromial space
Classically seen in young athletes <25yr
Reversible edema and hemorrhage about the rotator cuff
Dull ache over anterolateral shoulder aggravated by activity and improved by rest
Seen in patients 25-40yr
Occurs if patients continue the aggravating activity without treatment
Edema and hemorrhage advance to rotator cuff tendinitis
Prolonged pain (weeks to months) or recurrence of symptoms
Chronic aching pain with daily activities and night pain
Rotator cuff tear
Often requires surgical decompression of the subacromial space
Impingement syndrome
Traumatic/Acute:
Discitis
Shoulder Dislocation
Gastrocnemius strain
Anterior shoulder dislocation
Patellofemoral syndrome
Posterior shoulder dislocation