Associations between mobility capacity and walking performance in community-dwelling older people with outdoor walking limitations
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Résumé
Introduction: Walking is the most common physical activity reported by Canadian adults. Community-ambulation requires many skills such as muscle strength, balance, endurance along with other factors. Clinicians use capacity tests to measure physical abilities to better understand the relationship between what people can do (capacity) and what people really do in their daily lives (performance). Our objective was to determine individual and collective relationships between mobility capacity and walking performance to better understand how to use and interpret tests of capacity in clinical situations. Methods: This study was a secondary data analysis. Baseline data from 168 participants (≥63 years of age) of the GO-OUT study, conducted in 4 Canadian cities (Edmonton, Winnipeg, Toronto, and Montreal), were analyzed. The multiple linear regression analyses included mobility capacity tests (6-minute Walk Test (6MWT), comfortable 10-metre Walk Test (10mWT), 30-second Sit-to-Stand (30sSTS) and Mini-BESTest); and walking performance measures collected with 7-day accelerometry (peak 30-minute cadence, time walked in bouts and steps/day). Frailty status data were used to test for a moderation effect. Results: Outcomes from multiple linear regression models with single capacity measures demonstrated that tests of capacity were positively related with walking performance measures, however they explained only a small amount of the variance in peak 30-minute cadence (24-28%), time walked in bouts (12-17%), and steps/day (18-22%). Analyses of the combined capacity measures using multiple linear regression demonstrated larger amounts of variance were explained in all walking performance measures (peak 30-minute cadence R2 =37%, with 6MWT and 30sSTS significant; time walked in bouts R2 =19%, with 10mWT significant; steps/day R2=25%, with 30sSTS significant; all p ≤ 0.05). Frailty did not moderate any relationships. Conclusion: The 6MWT and 30sSTS are significantly associated with peak 30-minute cadence, which is said to represent the best natural effort in daily life. These two tests assess different aspects of physical capacity and physiotherapists may use them to better understand walking performance of their clients to plan and evaluate treatment progress.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,001 | 0,001 |
| Études des sciences et des technologies | 0,002 | 0,000 |
| Communication savante | 0,000 | 0,001 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle