短暂的强烈用力后，人手部肌肉震颤持续增加。
Long-lasting increases in the tremor of human hand muscles following brief, strong effort.
作者信息
Furness P, Jessop J, Lippold O C
出版信息
J Physiol. 1977 Mar;265(3):821-31. doi: 10.1113/jphysiol.1977.sp011746.
Abstract
- Long-lasting (up to 4 h) increases in finger tremor were produced by intense brief effort to contract the muscle. 2. Similar increases resulted from intense effort which did not contract the muscle because the motor nerve was blocked. 3. Comparable contractions induced electrically failed to give rise to increased tremor. 4. Power spectral analysis (1-15 HZ) revealed that all frequencies of tremor were approximately equally increased. 5. It is concluded that these long-lasting increases in tremor are of central nervous origin.
摘要
- 通过强烈短暂地用力收缩肌肉，可使手指震颤持续增强（长达4小时）。2. 由于运动神经被阻断，虽未收缩肌肉，但强烈用力也会产生类似的震颤增强。3. 电刺激诱发的类似收缩未能引起震颤增强。4. 功率谱分析（1 - 15赫兹）显示，震颤的所有频率均大致同等程度地增加。5. 由此得出结论，这些震颤的持续增强源于中枢神经系统。
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Long-lasting increases in the tremor of human hand muscles following brief, strong effort.短暂的强烈用力后，人手部肌肉震颤持续增加。
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