尺神经和正中神经的多点电刺激。
Multiple point electrical stimulation of ulnar and median nerves.
作者信息
Kadrie H A, Yates S K, Milner-Brown H S, Brown W F
出版信息
J Neurol Neurosurg Psychiatry. 1976 Oct;39(10):973-85. doi: 10.1136/jnnp.39.10.973.
Abstract
A computer-assisted method of isolating single motor units (MUs) by multiple point stimulation (MPS) of peripheral nerves is described. MPS was used to isolate 10-30 single MUs from thenar and hypothenar muscles of normal subjects and patients with entrapment neuropathies, with the original purpose of obtaining a more representative mean motor unit potential for estimating the number of MUs in a muscle. The two important results that evolved from MPS however, were: (1) in the absence of 'alternation' MUs were recruited in an orderly pattern from small to large, and from longer to shorter latencies by graded electrical stimulation in both normal and pathological cases, (2) a comparison of the sizes of MUs recruited by stimulation proximal and distal to the elbow suggested that axonal branching can occur in the forearm 200 mm or more proximal to the motor point in intrinsic hand muscles.
摘要
本文描述了一种通过外周神经多点刺激（MPS）分离单个运动单位（MU）的计算机辅助方法。MPS用于从正常受试者和患有卡压性神经病的患者的鱼际肌和小鱼际肌中分离出10 - 30个单个MU，其最初目的是获得更具代表性的平均运动单位电位，以估计肌肉中MU的数量。然而，MPS产生的两个重要结果是：（1）在没有“交替”的情况下，在正常和病理情况下，通过分级电刺激，MU以从小到大、从较长潜伏期到较短潜伏期的有序模式被募集；（2）对在肘部近端和远端刺激所募集的MU大小进行比较表明，轴突分支可发生在手部固有肌运动点近端200毫米或更远的前臂处。
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