Perceived standing position after reduction of foot-pressure sensation by cooling the sole

Perceptual and Motor Skills
Katsuo FujiwaraKatsumi Inoue

Abstract

We investigated the influence of the reduction of foot-pressure sensation by cooling the sole of the foot, at 1 degree C for 30 or 40 minutes, on the perception of standing position varied in the anteroposterior direction. The subjects were 16 healthy undergraduates. Firstly, for 4 of the subjects, cooling the sole of the foot decreased sensory information from the mechanoreceptors in the sole, by testing for an increase in the threshold for two-point discrepancy discrimination on the sole of the foot and for the disappearance of postural change with vibration to the sole. Next, the perception of standing position was measured by reproduction of a given standing reference position involving forward or backward leaning under both normal and cooled conditions of the feet. Standing position was varied in relation to the location of the center of foot pressure, defined as distance from the heel in percentage of the length of the foot. The reference positions, representing various locations of the center of foot pressure, were set at 10% increments from 20% to 80% of the length of the foot. With eyes closed, the subject first experienced the reference position and then attempted to reproduce it. The mean location of the center of fo...Continue Reading

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Citations

Dec 27, 2011·Experimental Brain Research·Sambit MohapatraAlexander S Aruin
Dec 14, 2011·Journal of Neurophysiology·W G WrightV S Gurfinkel
Apr 25, 2007·Perceptual and Motor Skills·Patrick O McKeon, Jay Hertel
Jun 25, 2005·Perceptual and Motor Skills·Katsuo FujiwaraHiroshi Toyama
Dec 1, 2015·Journal of Sports Sciences·Nili SteinbergOren Tirosh
Feb 11, 2010·Journal of Diabetes Science and Technology·H J J Cojanne KarsWiebren Zijlstra
Sep 22, 2017·Journal of Physical Therapy Science·Hitoshi AsaiPleiades Tiharu Inaoka
Sep 8, 2017·Journal of Physical Therapy Science·Hitoshi AsaiPleiades Tiharu Inaoka
Jan 12, 2021·Journal of the Peripheral Nervous System : JPNS·Guido FelicettiMarco Schieppati

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