Guillaume Tallon

Université de Montpellier | UM1 · Movement To

Introduction Le contrôle postural constitue un déterminant majeur des fonctions motrices des personnes âgées [1]. Au sein d’une étude randomisée contrôlée l’objectif est d’étudier l’évolution des paramètres stabilométriques cinématiques et non-linéaires de femmes âgées sédentaires réentraînées [2]. Méthode 94 femmes déconditionnées (86 % de la dis...

The aim of the present study was to compare the influence of three rest intervals of 30, 60 and 180 seconds randomly applied between two sets of five isokinetic contractions of flexor-extensor knee muscles in a cohort composed of 14 men (32.5 ± 8 years). The comparison of the isokinetic values measured during the first set of each evaluation sessio...

This study analyzed the evolution in peak torque (PT) and mean power (MP) isokinetic parameters in the quadriceps and hamstring muscles of elderly sedentary women who were randomly selected to participate in a brisk walking program for 6 months. The 121 sedentary women of this study presented a mean score of 5.3 (±1.7) on the Physical Activity Ques...

Groupe d’étude MACVIA-LR intégral :Jean Bousquet, Rodolphe Bourret , Thierry Camuzat , Philippe Augé , Philippe Domy, Jacques Bringer , Nicolas Best, Olivier Jonquet, Jean-Emmanuel de la Coussaye, Michel Noguès, Jean-Marie Robine, Antoine Avignon, Hubert Blain, Bernard Combe, Gérard Dray, Vincent Dufour, Mireille Fouletier, Nicolas Giraudeau, Didie...

Introduction Previous studies have demonstrated that a one minute between set rest period was sufficient for recovery. The aim of the present study was to compare the influence of different rest intervals. Methods Two sets of five isokinetic contractions of flexor-extensor knee muscles in a cohort composed of 14 men (32.5 years ± 8) with three cou...

Introduction We examined the effects of active walk training 3 days per week, for 24 weeks on isokinetic peak torque (PT) and mean power (MP) of the knee extensors and flexors of osteopenic sedentary old women. Methods The population was composed by 121 women (65.5 ± 4.2 years) with 5.3 (± 1.7) to the Physical Activity Scale for the Elderly (PASE)...

Introduction Physical activity generates a decrease in risk of fall and increase functional autonomy of institutionalized older adults (Inserm, 2008). Recent literature reviews demonstrate that some exergames (Wii Sports, Dance Dance Revolution…) have benefic physiological effects [1,2]. However, these games lead to moderate improvements since they...

Postural control is an important aspect of physical functioning. To determine whether postural sway complexity could discriminate asymptomatic sedentary postmenopausal women with normal or subnormal physical function from those with lower physical function. Cross-sectional study. Department of Geriatrics, University Hospital of Montpellier. 126 com...

Entropy measures are often used to quantify the regularity of postural sway time series. Recent methodological developments provided both multivariate and multiscale approaches allowing the extraction of complexity features from physiological signals; see “Dynamical complexity of human responses: A multivariate data-adaptive framework,” in Bulletin...

Objectives: Physical inactivity and advanced age are associated with risk of depressive disorders. Physical activity can reduce depressive symptoms in older subjects with depressive disorders. We investigated whether a walking intervention program may decrease the occurrence of depressive symptoms in inactive post-menopausal women without depressio...

According to the latest recommendations, adults should exercise regularly at moderate intensity to improve aerobic fitness and body composition. However, it is unknown whether aerobic exercise at submaximal intensity has detrimental effects on balance in older sedentary adults. We explored the effects of two 6-min walk tests (6MWTs) on the postural...

We investigate postural sway data dynamics in older adult fallers and non-fallers. Center of pressure (COP) signals were recorded during quiet standing in 28 older adults. The subjects were divided in two groups: with and without history of falls. COP time series were analyzed using recurrence quantification analysis (RQA) in both anteroposterior a...

We investigate the complementarities of several measures extracted from center of pressure (COP) recordings during quiet standing, in older women. The selected variables include classical stabilometric measures (SMs) and several dynamical measures (DMs). The computed DMs quantify various features of the temporal structure of COP signals, including...