Most common nerve used for nerve conduction study in H reflex –
Correct Answer: Tibial nerve
Description: The H-reflex (or Hoffmann&;s reflex) is a reflectory reaction of muscles after electrical stimulation of sensory fibers (Ia afferents stemming from muscle spindles) in their innervating nerves (for example, those located behind the knee- Tibial nerve). The H-reflex test is performed using an electric stimulator, which gives usually a square-wave current of sho duration and small amplitude (higher stimulations might involve alpha fibers, causing an F-wave, compromising the results), and an EMG set, to record the muscle response. REF : MAHESWARI 9TH ED
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