“…The most evidence was found for the median nerve in the CTS 1,4,6,9,12,14-22,28-33 and the ulnar nerve in the case of ulnar tunnel syndrome (UTS). 1,4,9,13,23,24,34 The CSA of the peripheral nerve depends on many factors: nerve function, demographic factors, anthropometric factors, health status, extrinsic factors, etc. Some authors have tried to gather data of CSA normality in different nerves, such as the case of Cartwright 35 (radial, musculocutaneous, sciatic, peroneal, tibia and sural nerves) and Seok (sciatic, common peroneal, tibial and sural nerves).…”