Fig. 1From: Application of ultrasound in avoiding radial nerve injury during elbow arthroscopy: a retrospective follow-up study A 33-year-old male in the preoperative ultrasound group. a prior subcutaneous radial nerve demonstrating the transducer position and marking (dots) of the radial nerve during mapping; (b) the path of the radial nerve (white arrow) was drawn by a solid line; (c) the ultrasound images of the radial nerve (white arrow)Back to article page