将时间重新分配到中度至强度的体力活动与学龄前儿童的身体组成有关吗?
Zhaoxu Lu1,2, Jin Guo1, Yihua Bao1
1Capital Center for Children's health, Capital Medical University, Capital Institute of Pediatrics, Beijing, China.
International journal of obesity (2005)
|November 5, 2025
概括
通过减少久坐行为 (SB) 增加中度至强度的体力活动 (MVPA) 可以改善学龄前儿童的身体组成. 这一策略对无脂肪质量和肌肉质量指数产生了积极的影响.
科学领域:
- 儿科肥胖症研究的研究.
- 运动行为科学 运动行为科学
- 身体组成分析分析.
背景情况:
- 幼儿园儿童的日常运动行为 (静坐行为,轻度体力活动,中度至强度体力活动和睡眠) 对于健康的发育至关重要.
- 了解这些行为与身体组成之间的关系对于早期干预策略至关重要.
研究的目的:
- 用组合数据分析分析学龄前儿童的日常运动行为和身体组成之间的关联.
- 预测如何重新分配运动行为之间的时间可能会改变这个年龄段的身体组成.
主要方法:
- 一项涉及268名学龄前儿童的横截面研究.
- 加速度计用于客观测量久坐行为 (SB) 和体力活动 (PA) 水平 (轻度和中度至强度).
- 生物电阻分析用于评估身体成分和组成数据分析技术 (线性回归和同时置换) 来检查关联和预测变化.
主要成果:
- 运动行为组成有意义地预测了无脂肪质量指数 (FFMI),软瘦质量指数 (SLMI) 和骨肌肉质量指数 (SMMI).
- 以SB为代价增加中度至强度的体力活动 (MVPA) 与FFMI,SLMI和SMMI有关.
- 用MVPA取代SB的积极影响是不对称的,益处小于减少MVPA的不利影响.
结论:
- 中度至强度的体力活动 (MVPA) 在提高学龄前儿童的身体组成方面发挥着至关重要的作用.
- 增加MVPA,同时减少久坐行为 (SB) 是改善幼儿身体组成的潜在策略.
相关概念视频
01:24Obesity
1.1K
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
1.1K
01:52Regression Toward the Mean
6.8K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.8K