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Subacromial Impingement Cases

Supraspinatus outlet vew of Type III acromion

 

Supraspinatus outlet vew of Type III acromion.

  1. Acromion
  2. Distal Clavicle
  3. Humeral Head
  4. Anteriorinferior acromial spur

 

acromial spur

Corresponding arthroscopic view from posterior subacromial portal of Type III acromion.

  1. Acromial undersurface
  2. Acromial spur
  3. Anterior Deltoid
  4. Rotator cuff
acromial spur

Corresponding arthroscopic view from posterior subacromial portal of Type III acromion after partial excision demonstrating size of the impinging spur.

  1. Acromial undersurface
  2. Acromial spur
  3. Leval of anterior acromial undersurface after resection
  4. Anterior Deltoid
  5. Rotator cuff
subacromial decompression

Corresponding arthroscopic view from posterior subacromial portal of Type III acromion after subacromial decompression.

  1. Acromial undersurface
  2. Anterior Deltoid
  3. Rotator cuff