Table 1

Classification of labral tears

Radial flap (most common)Disruption of the free margin of the labrum with subsequent formation of discrete flap
Radial fibrillatedAppearance of a shaving brush; generally of a hairy appearance at the free margins of the labrum. More common with degenerative tears
Longitudinal peripheralOf variable length along the acetabular insertion of the labrum
UnstableSubluxing labra, a reflection of abnormal function rather than shape.