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Sports Medicine
intermediate
X-Type

Subacromial Impingement

Shoulder Pathology

A 45-year-old recreational tennis player presents with 6 months of anterolateral shoulder pain, worse with overhead activities and at night. Examination reveals painful arc between 60-120° of abduction, positive Neer impingement sign (relief with subacromial lidocaine injection), and weakness of supraspinatus. MRI shows thickened supraspinatus tendon with increased T2 signal but no full-thickness tear. Regarding subacromial impingement syndrome:

Mark each as TRUE or FALSE

A

Neer Stage I represents reversible edema and haemorrhage in patients typically younger than 25 years...

B

Extrinsic factors include acromial morphology (Type I flat, Type II curved, Type III hooked), os acr...

C

The "critical zone" of the supraspinatus has the richest blood supply; impingement exclusively affec...

D

The Neer impingement test involves passive forward flexion with the scapula stabilized; the Hawkins-...

E

Modern understanding recognizes a "rotator cuff disease continuum" from tendinopathy to partial to f...

Answer the questions to see explanations

Click T (True) or F (False) for each option