Fig. 4From: Comparison of sciatic nerve block quality achieved using the anterior and posterior approaches: a randomised trialUltrasound image of the sciatic nerve obtained with the posterior (subgluteal) approach during the block is shown in the short axis (transverse view). GMM: gluteus maximus muscle, GT: greater trochanter, IT: ischial tuberosity, QFM: quatratus femoris muscl, LA: local anesthetic, Arrows: Sciatic nerve; triangles = needle.Back to article page