Sensorimotor posture control in the blind: superior ankle proprioceptive acuity does not compensate for vision loss.

Abstract:

:To better understand sensorimotor posture control differences between blind and sighted individuals, we examined the role of ankle joint proprioception and ankle muscle strength on postural control in healthy blind (n=13, 25-58 years) and age- and sex-matched sighted (n=15, 20-65 years) volunteers. We measured ankle joint proprioceptive acuity and isokinetic muscle strength in plantarflexion and dorsiflexion using an isokinetic dynamometer. We also assessed postural control performance during quiet bipedal stance with and without sudden postural perturbations, and during quiet unipedal stance. We found that while our blind subjects exhibited significantly better proprioceptive acuity than our sighted subjects their postural control performance was significantly poorer than that of the sighted group with eyes open, and no different from that of the sighted group with eyes closed suggesting that their superior proprioceptive acuity does not translate to improved balance control.

journal_name

Gait Posture

journal_title

Gait & posture

authors

Ozdemir RA,Pourmoghaddam A,Paloski WH

doi

10.1016/j.gaitpost.2013.02.003

subject

Has Abstract

pub_date

2013-09-01 00:00:00

pages

603-8

issue

4

eissn

0966-6362

issn

1879-2219

pii

S0966-6362(13)00098-2

journal_volume

38

pub_type

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