早期运动发育与儿童和青少年运动行为相关的遗传混
Yahua Zi1,2, Meike Bartels2,3, Conor Dolan2,3
1School of Exercise and Health, Shanghai University of Sport, Shanghai, China.
概括
早期的运动发育并不直接导致未来的运动行为. 在男孩中,遗传因素将早期运动技能与以后的身体活动联系在一起,这表明一种共同的遗传影响而不是因果途径.
科学领域:
- 行为遗传学 行为遗传学
- 发展心理学 发展心理学
- 儿科 儿科 儿科
背景情况:
- 早期运动发育是儿童和青少年运动的已知预测因素.
- 遗传/环境因素的因果关系和影响仍然不清楚.
研究的目的:
- 研究早期运动发育对未来运动行为的预测力.
- 确定遗传和共同的环境因素的贡献.
- 为了评估运动发展-运动协会中的家族混.
主要方法:
- 利用了来自荷兰双胞胎登记处的20911对双胞胎的数据.
- 通过对运动里程碑的母亲报告来评估早期运动发育.
- 追踪运动行为 (METs) 在12年的随访期间,从7岁到14岁.
- 采用多变体表型和遗传回归分析.
主要成果:
- 早期的运动发育表现出显著的遗传性 (43-65%) 和共同的环境影响 (16-48%).
- 随着年龄的增长,对运动行为的遗传影响增加,而共同的环境影响减少.
- 早期运动发育解释了未来运动行为的小百分比差异 (男孩为4.3%,女孩为1.9%).
- 遗传因素,不是共同的或独特的环境因素,显著调解了运动发育和运动行为之间的关联.
结论:
- 在早期运动发育和未来的运动行为之间没有发现直接的因果关系.
- 在男孩中,早期运动发育反映了影响后来的运动行为相同的遗传因素.
- 这些发现突出了共同的遗传基础的作用,而不是因果发展途径.
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