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慢性低频电刺激对正常人体胫骨前肌的影响。

Effects of chronic low frequency electrical stimulation on normal human tibialis anterior muscle.

作者信息

Scott O M, Vrbová G, Hyde S A, Dubowitz V

出版信息

J Neurol Neurosurg Psychiatry. 1985 Aug;48(8):774-81. doi: 10.1136/jnnp.48.8.774.

Abstract

The loss of force that occurred during intermittent electrically evoked tetanic contractions was determined for the tibialis anterior muscle of normal subjects. Adult muscles showed a characteristic reduction of tension over the first two to three minutes until a steady plateau was reached. Muscles of young children showed no comparable decrease of the initial tension in response to this method of fatigue testing. After fatigue the muscles of both groups of subjects produced a higher proportion of tension at lower rates of stimulation. Following prolonged chronic low frequency stimulation at 8-10 Hz, adult muscles showed a significant increase (p less than 0.01) in fatigue resistance compared to unstimulated control: the muscles of the normal child showed no measured change. It is concluded that it is possible to alter the properties of adult human muscle by superimposed low frequency electrical stimulation.

摘要

测定了正常受试者胫骨前肌在间歇性电诱发强直收缩过程中力量的损失情况。成年肌肉在前两到三分钟表现出张力的特征性降低,直至达到稳定的平台期。幼儿的肌肉在这种疲劳测试方法下,初始张力没有出现类似的下降。疲劳后,两组受试者的肌肉在较低刺激频率下产生的张力比例更高。在8 - 10Hz的长时间慢性低频刺激后,与未刺激的对照组相比,成年肌肉的抗疲劳能力显著增加(p小于0.01):正常儿童的肌肉未检测到变化。结论是,通过叠加低频电刺激有可能改变成年人体肌肉的特性。

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本文引用的文献

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