Fig. 1From: Ultrasound-guided preoperative localization of radial nerve in the treatment of extra-articular distal humeral shaft fracturesDistal humeral shaft fracture in a 55-year-old female status post bicycle accident. a Preoperative localization of radial nerve guided by ultrasound. b Ultrasound image at the posterior aspect of the left mid arm shows the intact radial nerve (red arrow). c The body surface location of the radial nerve is marked on the skin of the posterior upper armBack to article page