The Treatment of Spasticity by Foerster’s Operation

  • F. Schepelmann
Conference paper
Part of the Advances in Neurosurgery book series (NEURO, volume 2)

Abstract

In 1908 FOERSTER introduced the section of the dorsal roots for the treatment of a pathological increase of the contractile muscle tone and involuntary movements after lesions of the central nervous system (2). Failures of this operation were ascribed to several causes (6, 1). These failures suggest that the field of indication is limited. Operative indication necessitates clarification of the pathophysiological mechanisms, which underlie the pathological phenomena of motor activity in the individual case. The term spasticity in its clinical sense means increase of muscle tone which can be caused by different mechanisms. From the patho-physiological point of view gammarigidity and alpha-rigidity can be differentiated. In this context it is essential to state that gamma-rigidity comes into existence through the gamma-loop, while the existence of alpha-rigidityyis independent of the integrity of the peripheral reflex arc (9).

Keywords

Neurol Peri Meningitis Meningioma Clarification 

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© Springer-Verlag Berlin · Heidelberg 1975

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  • F. Schepelmann

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