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神经病和运动神经元疾病中人类运动单位的募集模式。

Pattern of recruiting human motor units in neuropathies and motor neurone disease.

作者信息

Milner-Brown H S, Stein R B, Lee R G

出版信息

J Neurol Neurosurg Psychiatry. 1974 Jun;37(6):665-9. doi: 10.1136/jnnp.37.6.665.

Abstract

The pattern of recruiting human motor units in the first dorsal interosseous muscle of the hand has been studied in 31 patients with ulnar neuropathies and motor neurone disease. Two years after surgical repair of an unilateral complete severance of the ulnar nerve, the twitch tensions increased to normal size. However, the normal orderly pattern of recruiting motor units of increasing size during increasing voluntary contractions was irretrievably lost. Among patients with pressure or entrapment neuropathies, the normal orderly pattern of recruiting motor units was always retained. Similarly, in patients with motor neurone disease (amyotrophic lateral sclerosis), the orderly pattern of recruitment was not disrupted.

摘要

对31例尺神经病变和运动神经元病患者手部第一背侧骨间肌募集运动单位的模式进行了研究。在单侧尺神经完全离断手术修复两年后,抽搐张力增加至正常大小。然而,在逐渐增加的随意收缩过程中,正常的按运动单位大小递增的有序募集模式已无法恢复。在患有压迫性或卡压性神经病变的患者中,运动单位的正常有序募集模式总是得以保留。同样,在运动神经元病(肌萎缩侧索硬化症)患者中,募集模式也未被打乱。

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