结论髓鞘内甘丙肽可能通过减低运动神经兴奋性而产生抑制屈肌运动效应，从而有利防止骨骼肌运动过度。
Conclusion the inhibitory effect of intrathecal galanin on flexor contractions is probably due to reduction in the excitability of motoneuron and might prevent muscles from over - movement.
波由运动神经元逆向兴奋引起，故有可能间接评价运动神经元的功能状态。
F waves result from the back fire of the motoneuron activation, which may indirectly reflect the functional state of the motoneurons.
目的观察A型肉毒毒素局部注射后远隔部位F波改变，揭示对脊髓运动神经元兴奋性的影响，探讨机制。
Objective To evaluate the remote F-wave and excitability of the spinal motoneurons changes after local intramuscular administration of botulinum toxin type A.
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