The nerve conduction studies and electromyography become essential tools in the diagnosis of neurological
disorders. These electrophysiological studies may be obscured by many technical or physiologic
errors. Proper performance of electrophysiological study must be preceded its interpretation
of clinical implication. Physicians and technicians must know various technical and physiologic factors
affecting these neurophysiologic studies and have the ability to find the problematic factors and
to adjust them for optimal studies.

KEYWORDS : Nerve conduction,Neurophysiology,Technical,Physiological