ACTIVITY IN RECEPTOR AFFERENTS FROM THE ANTERIOR CRUCIATE LIGAMENT EVOKES REFLEX EFFECTS ON FUSIMOTOR NEURONS

被引：90

作者：

JOHANSSON, H

SJOLANDER, P

SOJKA, P

机构：

[1] Department of Physiology, University of Umeå, Umeå

来源：

NEUROSCIENCE RESEARCH | 1990年 / 8卷 / 01期

关键词：

Anterior cruciate ligaments; Cat; Fusimotor neurones; Joint stability; Knee; Mechanoreceptors; Reflexes;

D O I：

10.1016/0168-0102(90)90057-L

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Responses from 2-4 muscle spindle afferents from triceps surae and/or posterior biceps and semitendinosus muscles were simultaneously recorded in cats anaesthetized with α-chloralose. It was demonstrated that stretch of the anterior cruciate ligament (ACL) of the ipsilateral knee causes changes in dynamic and/or static sensitivity of primary and secondary spindle afferents to sinusoidal stretching. The changes were due to reflex actions of stretch/tension-sensitive receptor afferents from ACL on dynamic and static fusimotor neurones. The findings support the hypothesis that ACL-afferents contribute to the regulation of muscular stiffness around the knee, and thereby also to dynamic knee joint stability. © 1990.

引用

页码：54 / 59

页数：6

共 16 条

[1] FUSIMOTOR REFLEXES IN TRICEPS SURAE ELICITED BY NATURAL STIMULATION OF MUSCLE AFFERENTS FROM THE CAT IPSILATERAL HINDLIMB [J].