الفهرس 
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Abstract
In our practice, we perform thousands of electrodiagnostic procedures, and we mainly depend upon normative data from international references. The need for a national or even local normative data is essential.
The present study is designed to obtain a set of NCS values for motor and sensory of the median and ulnar nerves among healthy adults from Egyptian population to establish normative data for local nerve conduction laboratories. The values of nerve conduction studies may vary between different populations owing to ethnic and environmental factors, so every electrophysiology laboratory is required to set up the normal values for its population to diagnose abnormal subjects.
A cross sectional study was done on healthy volunteers of age group (20-50) attending at Physical Medicine, Rheumatology and Rehabilitation outpatient clinic in Suez Canal University Hospital. The study comprised of 378 normal volunteers (283 females, 95 males) for median nerve conduction parameters and 325 normal volunteers (207 females, 118 males) for ulnar nerve conduction parameters. Distal latencies, amplitudes and conduction velocities from the Median and Ulnar nerves were recorded using the standard technique.
This study concluded that females had higher median and ulnar sensory amplitude than males while males had higher motor latencies low motor conduction velocity than females. Age shows non-significant negative moderate correlation with motor nerve velocity. There was a significant negative moderate relationship between height and motor nerve velocity of both studied nerves.