Titre :

Quadriceps physiological response during the 1-min sit-to-stand test in people with severe COPD and healthy controls.

Auteur(s) :

Gephine, Sarah [Auteur]
Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369 - ULR 4488 [URePSSS]
Mucci, Patrick [Auteur]
Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369
Bielmann, Mathieu [Auteur]
Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale [CIRRIS]
Martin, Mickael [Auteur]
CHU de Québec–Université Laval
Bouyer, Laurent [Auteur]
Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale [CIRRIS]
Saey, Didier [Auteur]
CHU de Québec–Université Laval
Maltais, François [Auteur]
CHU de Québec–Université Laval

Titre de la revue :

Scientific Reports

Nom court de la revue :

Sci Rep

Numéro :

12

Pagination :

794

Date de publication :

2022-01-17

ISSN :

2045-2322

Mot(s)-clé(s) en anglais :

Aged
Exercise
Exercise Test
Female
Healthy Volunteers
Humans
Male
Middle Aged
Patient Acuity
Pulmonary Disease, Chronic Obstructive
Quadriceps Muscle
Sitting Position
Standing Position
Time Factors

Discipline(s) HAL :

Sciences du Vivant [q-bio]

Résumé en anglais : [en]

We compared quadriceps oxygenation and surface electromyography (sEMG) responses during the 1-min sit-to-stand (1STS) in 14 people with severe COPD and 12 controls, in whom cardiorespiratory response, near-infrared ...
Lire la suite >We compared quadriceps oxygenation and surface electromyography (sEMG) responses during the 1-min sit-to-stand (1STS) in 14 people with severe COPD and 12 controls, in whom cardiorespiratory response, near-infrared spectroscopy signals (oxy [Hb-Mb], deoxy [Hb-Mb], total [Hb-Mb], and SmO) and sEMG signals of the quadriceps were recorded. Time duration of each sit-to-stand cycle and the total work performed during the 1STS were measured. The quadriceps oxygenation parameters were normalized by reporting their values according to the total work during 1STS. The rate of sit-to-stand maneuvers decelerated in people with COPD leading to smaller total work compared with controls. The pattern of quadriceps oxygenation response during 1STS was similar between groups. However, in COPD, the recovery after 1STS was characterized by larger overshoots in oxy [Hb-Mb], total [Hb-Mb], and SmO. When corrected for the cumulative total work, the increase in muscle O extraction (deoxy [Hb-Mb]) during the first 30 s of recovery was greater in people with COPD compared to controls. Quadriceps sEMG changes suggestive of a fatiguing contraction pattern was observed only in people with COPD. All together, these results highlighted physiological misadaptation of people with severe COPD to the 1STS.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
Univ. Artois
Univ. Littoral Côte d’Opale

Collections :

• Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369

Équipe(s) de recherche :

Activité Physique, Muscle, Santé (APMS)

Date de dépôt :

2022-03-20T10:45:26Z
2022-03-23T09:02:25Z