Fig. 3From: Surgical injury and repair of hip external rotators in THA via posterior approach: a three-dimensional MRI-evident quantitative prospective studya The typical three-dimensional MRI reconstruction of bilateral piriformis. b The typical three-dimensional MRI reconstruction of bilateral piriformis with adipose tissue. c The typical three-dimensional MRI reconstruction of bilateral internal obturator muscle. d The typical three-dimensional MRI reconstruction of bilateral internal obturator muscle with adipose tissue. (The yellow represents adipose tissue)Back to article page