Neurosci Res. 1990 Apr;8(1):54-9.

Activity in receptor afferents from the anterior cruciate ligament evokes reflex effects on fusimotor neurones.

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Department of Physiology, University of Umeå, Sweden.

Abstract

Responses from 2-4 muscle spindle afferents from triceps surae and/or posterior biceps and semitendinosus muscles were simultaneously recorded in cats anaesthetized with alpha-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.

PMID:: 2163050; [PubMed - indexed for MEDLINE]

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Fusimotor neurones can be reflexly influenced by activity in receptor afferents from the posterior cruciate ligament. [Brain Res. 1989]
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Cited by 1 PubMed Central article

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An investigation of postural control in postoperative anterior cruciate ligament reconstruction patients.
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Activity in receptor afferents from the anterior cruciate ligament evokes reflex effects on fusimotor neurones.

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Cited by 1 PubMed Central article

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