vendredi 13 novembre 2015

Effet de l'exercice de faible intensité sur la santé physique et cognitive chez les personnes âgées: un examen systématique

Traduction: G.M.


Sports Med Open. 2015;1(1):37. Epub 2015 Oct 20.

Effect of Low-intensity Exercise on Physical and Cognitive Health in Older Adults: a Systematic Review

Author information

  • 1Department of Health and Physical Education, Hong Kong Institute of Education, Tai Po, Hong Kong, China.
  • 2Institute of Human Performance, The University of Hong Kong, Pokfulam, Hong Kong, China.
  • 3School of Nursing, Hong Kong Polytechnic University, Hunghum, Hong Kong, China.

Abstract

BACKGROUND:

It is well known that physical exercise is important to promote physical and cognitive health in older population. However, inconsistent research findings were shown regarding exercise intensity, particularly on whether low-intensity exercise (1.5 metabolic equivalent tasks (METs) to 3.0 METs) can improve physical and cognitive health of older adults. This systematic review aimed to fill this research gap. The objective of this study is to conduct a systematic review of the effectiveness of low-intensity exercise interventions on physical and cognitive health of older adults.
Il est bien connu que l'exercice physique est importante pour développer la santé physique et cognitive de la population plus âgée. Cependant, les résultats inconsistants  de recherche ont été présentés concernant l'intensité de l'exercice, en particulier sur l'opportunité de l'exercice de faible intensité (1,5 équivalents métaboliques (tâches MET) à 3,0 MET) peut améliorer la santé physique et cognitive des personnes âgées. Cette revue systématique visant à combler cette lacune de recherche. L'objectif de cette étude est de procéder à un examen systématique de l'efficacité des interventions d'exercice de faible intensité sur la santé physique et cognitive des personnes âgées.

METHODS:

Published research was identified in various databases including CINAHL, MEDLINE, PEDro, PubMed, Science Direct, SPORTDiscus, and Web of Science. Research studies published from January 01, 1994 to February 01, 2015 were selected for examination. Studies were included if they were published in an academic peer-reviewed journal, published in English, conducted as randomized controlled trial (RCT) or quasi-experimental studies with appropriate comparison groups, targeted participants aged 65 or above, and prescribed with low-intensity exercise in at least one study arm. Two reviewers independently extracted the data (study, design, participants, intervention, and results) and assessed the quality of the selected studies. Fifteen studies met the inclusion criteria. Quality index ranged from 15 to 18 mean = 18.3 with a full score of 28, indicating a moderate quality. Most of the outcomes reported in these studied were lower limb muscle strength (n = 9), balancing (n = 7), flexibility (n = 4), and depressive symptoms (n = 3).

RESULTS:

Out of the 15 selected studies, 11 reported improvement in flexibility, balancing, lower limb muscle strength, or depressive symptoms by low-intensity exercises.
Sur les 15 études sélectionnées, 11 ont rapporté une amélioration de la flexibilité, de l'équilibre, de la force musculaire des membres inférieurs ou des symptômes dépressifs par des exercices de faible intensité.

CONCLUSIONS:

The current literature suggests the effectiveness of low-intensity exercise on improved physical and cognitive health for older adults. It may be a desired intensity level in promoting health among older adults with better compliance, lower risk of injuries, and long-term sustainability.
La littérature actuelle suggère l'efficacité de l'exercice de faible intensité sur l'amélioration de la santé physique et cognitive pour les personnes âgées. Il peut être un niveau d'intensité recherché dans la promotion de la santé chez les personnes âgées avec une meilleure observance, moindre risque de blessures, et un maintien à long terme.

PMID: 26512340

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