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KMID : 0390119920320020187
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Journal of Pusan Medical College
1992 Volume.32 No. 2 p.187 ~ p.194
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F-wave Latency Studies in Peroneal and posterior Tibial Nerves of Normal persons
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Abstract
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Authors studied mean F-wave latencies in 80 peroneal and 80 posterior tibial nerves of 160 normal adults without symptom, sign, and past history of neurologic disease, who showed no specific abnormality in physical and neurologic examination.
Statistical analysis with Student's t-test was performed to evaluate difference in the data between male and female groups. The effects of age, height, and distal motor conduction velocity on F-wave latency were investigated by regression
analysis
method.
1. The normal ranges of mean F-wave latencies in the peroneal nerve with stimulation at the ankle and below fibular head were 47.31±7.30 msec, 40.55±6.32 msec with upper limits of 56.41 msec, 46.87 msec respectively, and threre was no
significant
statistical differences between male and female groups(PPP〉0.05).
2. The normal ranges of mean F-wave latencies in the posterior tibial nerve with stimulation just behind the medial tibial malleolus t the ankle and at poplital fossa were 47.09±6.80 msec, 39.58±5.96 msec with upper limits of 53.89 msec, 45.54
msec
restectively, and there was no significant statisticall differences between male and female groups(P〉0.05).
3. The peroneal F-wave latency with stimulation at ankle showed statistically significant positive correlation with age(r=0.3675) and height(r=0.3718), and negative correlation with motor conduction velocity(r=-0.3675)(P〈0.001〉. The peroneal
F-wave
latency with stimulation below fibular head showed statistically significant positive correlation with heigt (r=0.3540, P〈0.01〉 and negative correlation with motor conduction velocity(r=-0.4523, P〈0.001〉, and no significant correlation with
age(r=0.2712, P〈0.05〉.
4. The posterior tibial F-wave latency with stimulation just behind the medial tibial melleolus at ankle showed statistically significant positive correlation with age(r=0.3154, P〈0.01〉, and height(r=3033, P〈〉, and negative correlation with
motor
conduction velocity(r=-0.3958, P〈0.001〉. The posterior tibial F-wave latency with stimulation at the popliteal fossa showed statistically significant positive correlation with height(r=0.3991, P〈0.001〉 and negative correlation with motor
conduction
velocity(r=-0.3518, P〈0.01〉, and no significant correlation with age(r=0.2015, P〉0.05).
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KEYWORD
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