Accelerometer; Healthy volunteers; Home monitoring; Stride length; Stride velocity
Abstract :
[en] Background: Normative data are necessary for validation of new outcome measures. Recently, the 95th centile of stride speed was qualified by the European Medicines Agency as a valid secondary outcome for clinical trials in subjects with Duchenne muscular dystrophy. This study aims to obtain normative data on spontaneous stride velocity and length in a non-controlled environment and their evolution after 12 months.
Method: Ninety-one healthy volunteers (50 females, 41 males), with a mean age of 16 years and 2 months, were recruited and assessed at baseline and 12 months later. The 4-stair climb, 6-min walk test, 10-m walk test and rise from floor assessments were performed. Stride length, stride velocity, and the distance walked per hour were studied in an everyday setting for one month after each evaluation.
Results: Of the 91 subjects assessed, 82 provided more than 50 h of recordings at baseline; and 73 subjects provided the same at the end of the year. We observed significant positive correlations of the stride length with age and height of participants, and a significant increase of the median stride length in children after the period. In this group, the 95th centile stride velocity was not correlated with age and was stable after one year. All measures but the 10MWT were stable in adults after a one-year period.
Conclusion: This study provides with data on the influence of age, height, and gender on stride velocity and length as well as accounting for natural changes after one year in controls.
Disciplines :
Neurology
Author, co-author :
Poleur, Margaux ; Centre Hospitalier Universitaire de Liège - CHU > Département de médecine interne > Service de neurologie (CHR)
Ulinici, Ana
DARON, Aurore ; Centre Hospitalier Universitaire de Liège - CHU > Département de Pédiatrie > Service de pédiatrie
Schneider, Olivier
Dal Farra, Fabian
Demonceau, Marie
Annoussamy, Mélanie
Vissière, David
Eggenspieler, Damien
Servais, Laurent ; Centre Hospitalier Universitaire de Liège - CHU > Département de Pédiatrie > Service de pédiatrie
Language :
English
Title :
Normative data on spontaneous stride velocity, stride length, and walking activity in a non-controlled environment.
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