Table 1 Classification for the location of contraction of external snapping hip
From: Clinical outcomes of arthroscopic surgery for external snapping hip
Type | Angle of hip |
|---|---|
I | Hip adduction −5° to −20° with hip and knee joint flexion in 90° |
II | Hip adduction −20° to −40° with hip and knee joint flexion in 90° |
III | Hip adduction −40° to −60° with hip and knee joint flexion in 90° |
IV | Hip adduction >−60° with hip and knee joint flexion in 90° |