Fig. 2From: Surgical injury and repair of hip external rotators in THA via posterior approach: a three-dimensional MRI-evident quantitative prospective studya The flap-shaped incision of posterior joint capsule. b The detachment of piriformis tendon. c The non-in-situ reattachment of piriformis in combination with the posterior joint capsule on the posterior part of femoral great trochanterBack to article page