Arthroscopic Evaluation of the Impingement Lesion: Pathoanatomy & Classification. Copeland-Levy Classification

Copeland-Levy Classification of Impingement Lesions:

Acromial Side

• A0 Normal - smooth surface
• A1 Minor scuffing, hemorrhage or local injection and inflammation
• A2 Marked scuffing / damage of the undersurface of the acromion & CA ligament
• A3 Bare bone areas

Bursal Side

• B0 Normal - smooth surface
• B1 Minor scuffing, hemorrhage or local injection and inflammation
• B2 Major scuffing of cuff, partial thickness tear
• B3 Full thickness tear
• B4 Massive cuff tear