Impingement Classification
Copeland-Levy Classification
Ofer Levy, G. Sforza, Ron M. Dodenhoff, Stephen A. Copeland, Arthroscopic Evaluation of the Impingement Lesion: Pathoanatomy & Classification. JBJS (B) Supp. III,n pg. 233, 2000.
Acromial Side
A0 Normal - smooth surface
A1 Minor scuffing, haemorrhage 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, haemorrhage or local injection and inflammation
B2 Major scuffing of cuff, partial thickness tear
B3 Full thickness tear
B4 Massive cuff tear
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