Lesion of labrum glenoidale - Snyder classification of labral lesions (SLAP)

The classification of lesions of labrum glenoidale was published by Snyder et al. and had originally four types. Later, several authors added descriptions of other labral lesions.

Type Description
Type I fraying
Type II tear with biceps extension
Type III bucket-handle tear with intact biceps
Type IV bucket-handle tear with biceps extension


1. Snyder SJ, Karzel RP, Del Pizzo W, et al. SLAP lesions of the shoulder. Arthroscopy 1990; 6:274 –279.
2. Mohana-Borges AVR, Chung CB, Resnick D. Superior Labral Anteroposterior Tear: Classification and Diagnosis on MRI and MR Arthrography. American Journal of Roentgenology. 2003 Dec;181(6):1449–62.