IMPACT OF ANTHROPMETRIC MEASURES ON SURAL NERVE CONDUCTION IN HEALTHY SUBJECTS
Abstract
Background: Nerve conduction studies are an invaluable aid to investigate and quantify thephysiological activity of peripheral nerves. These include measurement of sensory and motor
conduction velocities and latencies of peripheral nerves. These nerve conduction parameters may
be affected by anthropometric factors like age, sex, height, weight and BMI. In this observational
study the impact of these anthropometric parameters was measured on sensory nerve conduction
velocity (SNCV) and sensory latency (SNSL) of sural nerve. Method: Sural nerve conduction
studies were conducted in EMG room of Neurology section of Medical Unit 1 at Sir Ganga Ram
Hospital, Lahore on Electromyograph by Nihon Kohden MEB-5304K. Results: After following
strict exclusion criteria by careful history and physical examination 25 normal healthy subjects
recruited from local population by random sampling technique. The age range was 40-70 years
with mean age 47.2±9.23 years. Gender distribution was 60% females and 40% males. The mean
SNCV was found to be 53.16±5.68 meter per second (m/sec) and mean SNSL was 2.81±0.45
milliseconds (msec). Conclusion: It was found that the mean sural nerve conduction velocity was
higher and the mean sensory latency was shorter in healthy subjects than that of the Western races.
Moreover, the SNCV decreases and SNSL increases significantly with age.
Key words: Nerve conduction studies, sensory nerve conduction velocity (SNCV), sensory
latency, Sural nerve.
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