Fig. 2From: Clinical outcomes of arthroscopic surgery for external snapping hipRange of motions of different types of ESH. a Adduction angle is −10° with hip and knee joint in 90° for type I patient. b Adduction angle is −35° with hip and knee joint in 90° for type II patient. c Adduction angle is −45° with hip and knee joint in 90° for type III patient. d Adduction angle is −60° with hip and knee joint in 90° for type IV patientBack to article page