Fig. 5From: Impacts of external rotators and the ischiofemoral ligament on preventing excessive internal hip rotation: a cadaveric studyIncreasing angles via the posterior approach from the obturator externus to the piriformis. The muscle name indicates the increased angle measured after muscle resection. * p < 0.05 and **p < 0.01 by one-way analysis of variance with post hoc Tukey–Kramer testBack to article page