桡神经支配肌肉的运动单位估计。
Motor unit estimation in a muscle supplied by the radial nerve.
作者信息
Defaria C R, Toyonaga K
出版信息
J Neurol Neurosurg Psychiatry. 1978 Sep;41(9):794-7. doi: 10.1136/jnnp.41.9.794.
Abstract
The number of motor units in a muscle, the abductor pollicis longus (APL), supplied by the radial nerve was estimated. In 40 APL muscles of control subjects, the mean number of motor units was found to be 421 +/- 99 (SD). Ten patients underwent conventional EMG examination to confirm the clinical suspicion of denervation in radial nerve territory. All presented a significant reduction in the number of motor units in the APL muscle. These results show that this method is useful in the evaluation of muscles supplied by the radial nerve.
摘要
对由桡神经支配的拇长展肌（APL）中的运动单位数量进行了估计。在40名对照受试者的APL肌肉中，发现运动单位的平均数量为421±99（标准差）。10名患者接受了传统肌电图检查，以证实临床对桡神经支配区域失神经的怀疑。所有患者的APL肌肉中运动单位数量均显著减少。这些结果表明，该方法在评估由桡神经支配的肌肉方面是有用的。
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