24小时运动行为组成与学龄前儿童的副交感调制有关
Maria Luiza Pessoa1, Cain Clark2, Alesandra Souza3
1Federal University of Paraíba, João Pessoa, Brazil.
Child: care, health and development
|May 9, 2024
概括
包括体力活动,久坐行为和睡眠时间在内的24小时运动组合与学龄前儿童更好的副交感活动有关. 这一发现强调了平衡的日常运动模式对儿童自主神经系统健康的重要性.
科学领域:
- 儿科生理学 儿科生理学
- 自主神经系统功能自主神经系统功能
- 行为科学是一种行为科学.
背景情况:
- 心率变化 (HRV) 反映了自主神经系统的调节.
- 学前儿童的24小时运动行为 (身体活动,久坐行为,睡眠) 对于发展至关重要.
- 了解幼儿运动行为和HRV之间的相互作用对健康至关重要.
研究的目的:
- 研究学龄前儿童24小时运动行为与心率变化 (HRV) 之间的关联.
- 为了确定身体活动,久坐行为和睡眠时间的组成是否预测HRV参数.
主要方法:
- 123名学龄前儿童 (年龄为4.5岁) 佩戴加速度计来测量身体活动和久坐行为.
- 收集了家长报告的睡眠时间.
- 在10分钟的休息期间评估了心率变化.
- 用组合分析来分析24小时的运动模式.
主要成果:
- 24小时运动组合显著预测了副交感调制,特别是连续差异的根平均平方 (RMSSD) (p=0.04,r2=0.13).
- 运动组合与其他HRV指数,如高频 (HF) 或低频 (LF) 之间没有发现显著的关联.
- 研究结果根据年龄,体重指数和性别进行了调整.
结论:
- 学龄前儿童24小时运动行为的整体组成与副交感神经系统活动有关.
- RMSSD,HRV的时间域指数,似乎对身体活动,久坐行为和睡眠的平衡敏感.
- 这些发现强调了对儿童日常运动的整体方法对心血管健康的重要性.
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