IEC 60601-2-10:2012+A1:2016 specifies the requirements for the safety and essential performance of nerve and muscle stimulators, for use in the practice of physical medicine. This includes transcutaneous electrical nerve stimulators (TENS) and electrical muscle stimulators (EMS). This second edition cancels and replaces the first edition, published in 1987 and its Amendment 1 (2001). This edition constitutes a technical revision and is aligned with IEC 60601-1:2005+A1:2012. This consolidated version consists of the second edition (2012) and its amendment 1 (2016). Therefore, no need to order amendment in addition to this publication.