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KMID : 0361419950190010149
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Journal of Korean Academy of Rehabilitation Medicine
1995 Volume.19 No. 1 p.149 ~ p.154
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Short Segment Stimulation in Ulnar Nerve at the Elbow
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Abstract
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The ulnar nerve may be compressed either in the retrocondylar groove or at the cubital tunnel and optimal surgical therapy should be directed at the specific site of involvement.
Although routine electrodiagnosis may localize an ulnar neuropathy to the elbow, reliably separating retrocondylar lesion from cubital tunnel compression is more difficult.
The purpose of the study was to evaluate the difference in conduction times and amplitudes of the compound muscle action potentials of the hypothenar muscle. Differences in short segment responses was determined b stimulating in the ulnar nerve
at
2 cm
intervals across the elbow in 30 normal adults. The maximum conduction time in a 2 cm segment was 0.62 msec.
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