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Saphenous nerve conduction in healthy subjects
The Tohoku Journal of Experimental Medicine
|May 1, 1983
Summary
This study establishes normal saphenous nerve conduction values in healthy individuals. These electrodiagnostic findings aid in differentiating various nerve lesions affecting the leg.
Area of Science:
- Neuroscience
- Clinical Electrophysiology
Background:
- Saphenous nerve entrapment and lesions can cause lower limb pain and sensory deficits.
- Accurate electrodiagnostic methods are crucial for differentiating nerve pathologies.
Purpose of the Study:
- To establish normative data for saphenous nerve conduction studies.
- To evaluate the utility of this technique in diagnosing specific neuropathies.
Main Methods:
- Saphenous nerve conduction was assessed in 40 healthy subjects.
- A modified Wainapel et al. method was employed for electrodiagnostic testing.
Main Results:
- Mean distal sensory latency: 2.9 ± 0.3 msec (10 cm).
- Mean conduction velocity: 46.6 ± 3.5 m/sec.
- Mean sensory nerve action potential amplitude: 10.7 ± 4.3 microV.
Conclusions:
- The established normative values provide a baseline for clinical assessment.
- This electrodiagnostic technique is valuable for differentiating lumbar root lesions from postganglionic lesions and saphenous nerve entrapment.