Fig. 7
From: Clinical outcomes of arthroscopic surgery for external snapping hip
Comparison of range of motion between preoperative and postoperative management. a Before surgery, the patient is unable to touch the big toe while flexing the spine with the knee straight. b Fixed hip abduction and external rotation are seen during crouching leading to frog leg position. c, d The patient is unable to sit with her legs crossed. e After arthroscopic surgery, the patient is able to touch the big toe while flexing the spine with the knee straight. f Frog leg deformity is corrected; the patient can crouch with the both knees together. g, h The patient is able to sit with her legs crossed