Table I.

Beck classification of labral tears

Stage		Labral status
0	Normal	Macroscopically normal
1	Degeneration	Thinning or localized hypertrophy, fraying, discoloration
2	Full thickness tears	Complete separation from rim
3	Detachment	Separation between acetabular and labral cartilage, preserved attachment to bone
4	Ossification	Osseous metaplasia, localized or circumferential