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Trunk accelerometry as a measure of balance control during quiet standing
MOE NIELSSEN R; HELBOSTAD JL
GAIT POSTURE , 2002, vol. 16, n° 1, p. 60-68 Doc n°: 105566 Localisation : Documentation IRR Descripteurs : DF11 - POSTURE. STATION DEBOUT The goal was to investigate whether body sway measured by trunk accelerometry during quiet standing could differentiate between young and elderly healthy subjects, and between conditions with eyes open and closed on firm and compliant surfaces. Raw data demonstrated poor discrimination, but horizontal transformation to eliminate a constant gravity component disclosed consistent mean differences across groups (P</=0.0025), and also between conditions (P</=0.0005), except for the most marginal difference. When drift associated with very low frequency body sway was adjusted for, a significant difference appeared also here (P=0.001). This study indicates that trunk accelerometry can discriminate between populations and conditions during quiet standing. Langue : ANGLAIS Identifiant basis : 2002223636 |
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