Pathophysiology of spasticity

被引:1
|
作者
Marque, P. [1 ,2 ]
Brassat, D. [3 ]
机构
[1] CHU Purpan, INSERM, U825, F-31059 Toulouse 9, France
[2] CHU Rangueil, Serv Med Phys & Readaptat, F-31059 Toulouse 9, France
[3] CHU Purpan, Serv Neurol, F-31059 Toulouse 9, France
关键词
Spasticity; Multiple sclerosis; HUMAN LOWER-LIMB; CHRONIC SPINAL RATS; POST-ACTIVATION DEPRESSION; II MUSCLE AFFERENTS; TENDON JERK REFLEX; RECURRENT INHIBITION; H-REFLEX; PRESYNAPTIC INHIBITION; CORD-INJURY; RECIPROCAL INHIBITION;
D O I
10.1016/S0035-3787(12)70045-0
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The term "spasticity" describes the velocity-dependent increase in tonic stretch reflexes. The symptom is commonly seen in patients with injury to the central nervous system. It is rarely isolated but, instead, part of a set of symptoms that is sometimes confusing. However, the pathophysiology of the symptom has evolved over the past three decades, and it is now considered part of a global process that includes not only spinal reflex loop modifications, but also changes in the biomechanical properties of muscle fibers. Finally, recent studies of changes in the membrane properties of motor neurons and the occurrence of plateau potential have opened new perspectives. This review aims to describe these new pathophysiological models. Published by Elsevier Masson SAS.
引用
收藏
页码:S36 / S44
页数:9
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