人体外感受性振动诱发的手指屈曲反射
Exteroceptive vibration-induced finger flexion reflex in man.
作者信息
Eklund G, Hagbarth K E, Torebjörk E
出版信息
J Neurol Neurosurg Psychiatry. 1978 May;41(5):438-43. doi: 10.1136/jnnp.41.5.438.
Abstract
A tonic finger flexion reflex, induced by mechanical vibration (100 Hz) of the fingers, was studied in 20 healthy subjects. The outcome of nerve blocking experiments indicated that the reflex is mainly exteroceptive, distinct from the tonic vibration reflex of muscle spindle origin. Mechanoreceptors with fast conducting nerve fibres in the distal phalanx seem to constitute the major afferent source. We suggest that afferent signals from such receptors by a feedback mechanism can influence the motor performance of the exploring fingers.
摘要
在20名健康受试者中研究了由手指机械振动（100Hz）诱发的强直性手指屈曲反射。神经阻滞实验结果表明，该反射主要是外感受性的，与肌梭起源的强直性振动反射不同。远节指骨中具有快速传导神经纤维的机械感受器似乎构成了主要的传入源。我们认为，来自此类感受器的传入信号通过反馈机制可影响探索手指的运动表现。
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