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宋順慶,吳貞姬 고려대학교 의과대학 1980 고려대 의대 잡지 Vol.17 No.1
It is obvious that the examination of nerve conduction as a diagnostic aid is a relatively new field of interest with the state of the art still undergoing evaluation and improvement. This is true particularly in sensory action potential recording. Conduction study of sensory branch of the musculocutancous nerve, the lateral cutaneous nerve of the forearm was performed with an antidromic technique. Surface stimulation was done at the elbow where the nerve becomes superficial, and surface recordings were made 12㎝ distally over the course of the nerve. 140 nerves in 70 normal persons were examined. The results were summarized as follows: the musculocutaneous nerve was 61.86±7.16 meters/sec. 2. The mean value of the latency to the peak of the negative phase was 1.97±0.22 msec, and to onset of the action potential was 1.45±0.24msec. 3. The amplitude of the action potential was 27.09±16.72㎶. 4. The mean value of the duration of the action potential was 0.83±0.24 msec. 5. No statistical variation was noted with advancing age in sensory conduction velocity, latencies, amplitude and duration of the evoked potential. 6. There were no significant differences related to the dominance of the extremities.
宋順慶,吳貞姬 고려대학교 의과대학 1984 고려대 의대 잡지 Vol.21 No.1
The F wave study has clinically appeared to be a useful method to evaluate several neurologic disorders. In electrodiagnostic examination, F wave is particularly important when its latency represents the passage of the impulse to and from the spinal cord through the proximal segment of the nerve. The proximal segment of the nerve cannot be evaluated by conventional technique for measuring nerve conduction velocity in peripheral nerves due to problems of accessibility. This study was conducted to determine the normal values of F wave latencies and conduction velocities in normal healthy Korean. The median, ulnar, peroneal and tibial nerves were studied bilaterally in 319 subjects(male; 241, female; 78), ranging from 10 to 69 years of age. The results were summarized as follows: 1. A total of 284 median nerves was studied and the mean value of F wave latency(elbow to spinal cord) was 24.42±2.38(18.35-30.90) msec, and that of its conduction velocity was 60.85±8.27(45.27-99.70) M/sec. 2. A total of 284 ulnar nerves was studied and the mean value of F wave latency(elbow to spinal cord) was 25.37±2.76(18.08-32.20) msec, and that of its conduction velocity was 59.37±7.64(43.60-101.33) M/sec. 3. A total of 370 peroneal nerves was studied and the mean value of F wave latency was 43.19±4.79(28.32-54.60) msec, and that of its conduction velocity was 54.15±9.23(42.76-103.21) M/sec. 4. A total of 370 tibial nerves was studied and the mean value of F wave latency was 44.18±4.54(25.64-55.86) msec, and that of its conduction velocity was 53.86±5.05(43.33-72.48) M/sec. 5. No statistical variation was noted with advancing age in F wave latency and conduction velocity in each of the nerves. 6. There were no significant differences related to the dominance of the extremities in each of the nerves. 7. In F wave conduction velocities, there were no significant differences between sexes in median, ulnar and tibial nerves, although there were some differences between sexes in F wave latencies of each of above nerves. There were no significant sex differences either in latency or in conduction velocity for peroneal nerve.