适度至剧烈强度体力活动的多样性和时间:环境因素是否起作用?
Lauren G León1, Dale S Bond2, Hollie A Raynor1
1Department of Nutrition, University of Tennessee Knoxville Knoxville, TN, USA.
Perceptual and motor skills
|July 7, 2025
概括
通过改变活动类型,地点或伴侣来增加体育活动的多样性 (PAV),可以促进中度至剧烈体育活动 (MVPA). 改变你的炼方式,比如在走路时听音乐,可能会增加MVPA时间.
科学领域:
- 运动科学 运动科学
- 行为科学 行为科学
- 公共卫生 公共卫生
背景情况:
- 大多数成年人不符合体育活动指南,突出需要新的策略来增加中度至强度体育活动 (MVPA).
- 通过执行的不同活动数量来定义的体育活动多样性 (PAV),与在MVPPA中花费的时间有积极的关联.
- MVPA的上下文因素,包括社会参与,位置和同时活动,可能会进一步增强PAV,而不仅仅是活动模式.
研究的目的:
- 调查包括活动模式和上下文因素在内的体育活动多样性 (PAV) 是否与中度至剧烈体育活动 (MVPA) 时间的增加有关.
- 为了确定身体活动的不同上下文元素,不仅仅是模式,是否有助于更大的MVPA.
- 通过检查多样化的体育活动参与的影响来探索增加MVPA的新策略.
主要方法:
- 一项自然主义的前性研究,涉及25名成年人,他们戴着活动监测器并保持纸质日记3周.
- 身体活动多样性 (PAV) 由独特活动数量 (MODE) 和独特的上下文因素量化:位置 (WHERE),伴侣 (WHO) 和同时活动 (OTHER).
- 统计分析检查了不同类型的PAV和MVPA之间的关联,包括背景多样性对模式多样性的增量贡献.
主要成果:
- 语境指标 (WHERE,WHO,OTHER) 的平均多样性得分明显高于单独的模式 (MODE).
- 所有形式的多样性 (MODE,WHERE,WHO,OTHER) 与MVPA参与有显著的相关性 (r = .58.84).
- 不同的同时活动 (OTHER) 显著增加了MVPA时间,而不仅仅是在第3周和整体上改变活动模式 (MODE).
结论:
- 随着情境因素的变化,不同体力活动模式可能是增加中度至强度体力活动 (MVPA) 的有效策略.
- 鼓励成年人多样化他们的体育活动参与,例如在炼期间加入音乐,可以支持更高的MVPA水平.
- 这些发现表明,专注于体育活动的"如何",而不仅仅是"什么",可以提高参与和坚持.
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