Effects of Different Forms of Fatigue on Double-Task Performance in the Elderly
The dual task (walking and cognitive task at the same time) is increasingly used in geriatrics in protocols for detecting people who are falling and/or for highlighting cognitive disorders. However, frail elderly people tend to get tired quickly and a lack of awareness of the effects of fatigue on dual-task performance could alter the diagnosis.
There are two types of fatigue: mental fatigue and peripheral muscle fatigue. Each participant will do both types of fatigue over 2 appointments spaced by 7 days so that the subject can recover from induced fatigue. The sequence of fatigue tasks will be randomized.
At the first appointment (day 0):
Pre-fatigue assessment :
- The subject must walk on 10m with round trip for 1min.
- the subject must do the arithmetic count of 3 in 3
- Then comes the evaluation in double task (walking and counting at once for 1min). The subject must walk on 10m with round trip for 1min by doing the arithmetic count of 3 in 3 at the same time.
- mental fatigue task or muscle fatigue task (randomized)
- post-fatigue assessment (the same as pre-fatigue assessment)
7 resting days
Second appointment (day 7)
Pre-fatigue assessment :
- The subject must walk on 10m with round trip for 1min.
- the subject must do the arithmetic count of 3 in 3
- Then comes the evaluation in double task (walking and counting at once for 1min). The subject must walk on 10m with round trip for 1min by doing the arithmetic count of 3 in 3 at the same time.
- mental fatigue task or muscle fatigue task (randomized)
- post-fatigue assessment (the same as pre-fatigue assessment)
Aperçu de l'étude
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Nice, France, 06000
- CHU de Nice
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-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Young group
Inclusion Criteria:
- 20 to 40 years old
Exclusion Criteria:
- psychiatric disorders
- Severe hearing or vision loss
- Motor or sensory disability that may interfere with test completion
Old group
Inclusion Criteria:
- 65 to 90 years old
- less than 3 Fried's criteria of fragility
- walking ability without technical assistance (at least 10m).
Exclusion Criteria:
- psychiatric disorders
- Severe hearing or vision loss
- Motor or sensory disability that may interfere with test completion
Old frail group
Inclusion Criteria:
- 65 to 90 years old
- 3 or more Fried's criteria of fragility
- walking ability without technical assistance (at least 10m).
Exclusion Criteria:
- psychiatric disorders
- Severe hearing or vision loss
- Motor or sensory disability that may interfere with test completion
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Science basique
- Répartition: Randomisé
- Modèle interventionnel: Affectation croisée
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: Mental Fatigue Task first
|
Each participant will do both types of fatigue over 2 appointments spaced by 7 days so that the subject can recover from induced fatigue.
The sequence of fatigue tasks will be randomized.
|
|
Expérimental: Muscle fatigue task first
|
Each participant will do both types of fatigue over 2 appointments spaced by 7 days so that the subject can recover from induced fatigue.
The sequence of fatigue tasks will be randomized.
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Dual task performance after muscular fatigue
Délai: at inclusion (day 0)
|
Dual task performance (DTEspeed motor performance; DTEcog cognitive performance) will be compared before and after a protocol of peripheral mental and muscular fatigue. For Dual Task Performance, the cognitive task performance (maximum count count - error count) performed alone (single ST task) and performed while walking (double ST task) will be compared. |
at inclusion (day 0)
|
|
Dual task performance after cognitive fatigue
Délai: at day 7
|
Dual task performance (DTEspeed motor performance; DTEcog cognitive performance) will be compared before and after a protocol of peripheral mental and muscular fatigue. For Dual Task Performance, the cognitive task performance (maximum count count - error count) performed alone (single ST task) and performed while walking (double ST task) will be compared. |
at day 7
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Olivier GUERIN, Nice University Hospital, Gerontology Department
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- 21-PP-02
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
Étudie un produit d'appareil réglementé par la FDA américaine
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