用三轴加速度计测量学前儿童中度至强度的体力活动:符合国际指导方针和不同切断点
Aristides M Machado-Rodrigues1,2, Thales P Rodrigues da Silva3, Larissa L Mendes3
1University of Coimbra, Faculty of Sport Sciences and Physical Education, 3040-248 Coimbra, Portugal.
Children (Basel, Switzerland)
|November 27, 2024
概括
加速度计切割点的选择显著影响学龄前儿童的体育活动 (PA) 分类. 帕特帕特帕特帕特是什么意思
科学领域:
- 儿科运动科学 儿科运动科学
- 生物医学工程 生物医学工程
- 运动学 运动学
背景情况:
- 准确量化学龄前儿童的体力活动 (PA) 对健康至关重要.
- 加速度计切点 (CoP) 被广泛使用,但它们对分类的影响仍在争论中.
- 了解COP的影响对于对幼儿AP的可靠评估至关重要.
研究的目的:
- 评估共同加速度计切断点 (CoP) 对分类学龄前儿童体育活动的影响.
- 为了比较PA量化使用垂直轴与向量大小 (VM) 从加速度计.
- 根据选定的合作伙伴,分析工作日和周末的PA差异.
主要方法:
- 一项对134名学龄前儿童 (年龄为3-5岁) 的横截面研究,使用三轴加速度计7天.
- 使用Johansson,Butte和Pate CoPs分析的身体活动 (PA) 和久坐行为 (SB) 数据.
- 统计分析包括一般线性模型和卡帕指数,以达成一致.
主要成果:
- 在Pate CoP中,儿童活动率最高 (73.9%在工作日,85.6%在周末).
- 约翰逊的COP将所有儿童归类为不活跃的.
- 男孩的活跃患病率明显高于使用Pate和Butte CoPs的女孩.
结论:
- 加速度计 CoP 选择显著影响学龄前儿童的体育活动 (PA) 和久坐行为 (SB) 量化.
- 周末PA患病率在所有COP中最低,特别是在女孩中.
- 选择COP极大地影响了运动强度的计算和活跃儿童的分类.
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