Troni W
J Neurol Sci. 1981 Aug;51(2):223-33. doi: 10.1016/0022-510x(81)90101-5.
An electrophysiological method is described for evaluating the conduction velocity in the different partial segments of the monosynaptic reflex pathway of the lower limbs in man. Using the latencies of M and H responses recorded from the soleus muscle elicited by stimulating the posterior tibial nerve at the popliteal fossa (pf) and the sciatic nerve at the upper thigh, the conduction velocities in the entire course (pf-to-spinal cord), in the proximal segment (upper thigh-to-spinal cord), and in the distal segment (pf-to-upper thigh) of the H circuit, were evaluated and expressed by mixed (sensory-motor) conduction indexes. The conduction distances were measured by using the Th11 spinal process as a reference point on the vertebral column. The conduction velocity of the 1a spindle afferent fibres and of the motor fibres was selectively determined in the pf-to-buttock segment. The results obtained in 50 healthy subjects are presented and the methodological problems related to the proposed technique are discussed.
描述了一种用于评估人体下肢单突触反射通路不同部分传导速度的电生理方法。通过刺激腘窝处的胫后神经和大腿上部的坐骨神经，记录比目鱼肌引出的M波和H波潜伏期，评估并以混合（感觉-运动）传导指数表示H反射通路全程（腘窝至脊髓）、近端节段（大腿上部至脊髓）和远端节段（腘窝至大腿上部）的传导速度。以第11胸椎棘突作为脊柱上的参考点测量传导距离。在腘窝至臀部节段选择性测定Ia类肌梭传入纤维和运动纤维的传导速度。呈现了50名健康受试者的结果，并讨论了与所提出技术相关的方法学问题。
