SIGNIFICANCE OF PRESSOR INPUT FROM THE HUMAN FEET IN LATERAL POSTURAL CONTROL - THE EFFECT OF HYPOTHERMIA ON GALVANICALLY INDUCED BODY-SWAY

被引:57
|
作者
MAGNUSSON, M
ENBOM, H
JOHANSSON, R
WIKLUND, J
机构
[1] UNIV LUND HOSP,DEPT OTORHINOLARYNGOL,S-22185 LUND,SWEDEN
[2] LUND INST TECHNOL,DEPT AUTOMAT CONTROL,S-22007 LUND,SWEDEN
关键词
Feet; Hypothermia; Mechanoreceptors; Postural control; Posture; Pressor receptor function; Vestibular;
D O I
10.3109/00016489009122555
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
The significance to human postural control of pressor information from the feet was investigated during vestibular disturbance in seven normal subjects who were exposed to bipolar biaural galvanic stimulation of the vestibular nerves before and after their feet were anaesthetized with hypothermia. The increase in body sway in the lateral plane induced by the galvanic stimulus was enhanced when the feet were anaesthetized, and adaptation of postural control to the galvanic stimulus was delayed. It is concluded that pressor information from the feet contributes significantly to postural control in humans and is important in compensating for vestibular disturbance. © 1990 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
引用
收藏
页码:321 / 327
页数:7
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