By California Sports and Rehab At California Sports and Rehab, we prioritize accurate diagnosis and effective treatment for nerve and muscle conditions. One of the most valuable diagnostic tools we offer is the EMG NCV test, also known as Electromyography and Nerve Conduction Studies (NCS). What Are EMG NCV and NCS? EMG (Electromyography) and NCS (Nerve Conduction Studies) are diagnostic tests [...]