适度和强烈的体力活动与认知表现的关联:来自巴西的证据
Ingryd Mayara Nascimento Martins de Pais1, Wendell Lima Rabelo2, Naomi Vidal Ferreira3
1Division of Geriatrics, University of São Paulo Medical School, São Paulo, Brazil.
Alzheimer disease and associated disorders
|August 2, 2024
概括
满足适度体力活动指南显著改善了老年人的认知表现. 在这项研究中,强烈的体力活动没有显示出任何额外的认知益处.
科学领域:
- 老年学是一门学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 身体活动对于健康的衰老和痴呆症的预防至关重要.
- 适度体力活动 (MPA) 与认知健康有关,但对强度体力活动 (VPA) 的证据有限.
- 了解MPA和VPA对认知的不同影响对于公共卫生建议至关重要.
研究的目的:
- 调查中度体力活动 (MPA) 与强度体力活动 (VPA) 与老年人认知表现之间的关联.
- 分析来自巴西老化纵向研究 (ELSI-巴西) 的数据,以评估这些关系.
- 为促进老年人群认知功能提供基于证据的见解.
主要方法:
- 分析了7954名参与者的数据 (平均年龄为61.8岁,61.8%是女性).
- 认知表现通过记忆,时间定向和口语流性领域进行评估,使用全球复合z-score.
- 线性回归模型用于检查自我报告的MPA和VPA与认知表现的关联.
主要成果:
- 符合或超过中度体力活动 (MPA) 准则 (≥150分钟/周) 的参与者表现出明显更好的整体认知表现.
- 执行每周150-299分钟的MPA (β = 0.163,P < 0.001) 和每周≥300分钟的MPA (β = 0.180,P < 0.001) 都与增强的认知有关.
- 强烈的体力活动 (VPA) 水平和认知表现之间没有发现显著的关联.
结论:
- 遵守适度体力活动指南与老年人认知功能的改善有关.
- 强烈的体力活动似乎没有提供超出中度活动的额外认知益处.
- 这些发现支持公共卫生倡议,促进定期的适度体力活动,以维持衰老中的认知能力.
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