<prompt> H-reflex is done inL 2 radiculopathyL 3 radiculopatyL 4 radiculopatyS 1 radiculopty  <response>: The H-reflex is a reflectory reaction of muscles after electrical stimulation of sensory fibers in their innervating nerves. The H-reflex test is performed using an electric stimulator, which gives usually a square-wave current of sho duration and small amplitude, and an EMG set, to record the muscle response. Ref Harrison20th edition pg 2567 