8至12岁男孩和女孩的氧气吸收效率斜率
Donald D Deiwert1,2, Brandon Dykstra3, Justin P Guilkey3
1Department of Kinesiology, Indiana University Indianapolis, Indianapolis, IN, USA - dddeiwer@iu.edu.
The Journal of sports medicine and physical fitness
|June 25, 2024
概括
男孩表现出更高的氧气吸收效率斜率 (OUES) 值,当缩放到身体表面积和全度量到质量时. 这表明,评估儿童心肺呼吸系统健康需要性别特定的参考值.
科学领域:
- 儿科生理学 儿科生理学
- 运动科学运动科学
- 评估心肺呼吸系统的健康状况
背景情况:
- 氧吸收效率斜率 (OUES) 是从分级运动测试中得出的一个关键的生理指标.
- 现有的研究提出了关于儿童OUES性别差异的相互矛盾的数据.
- 本研究通过检查各种OUES缩放方法中的性别差异来解决这些差异.
研究的目的:
- 调查8.0至12.0岁儿童的绝对,比率缩放和度缩放的OUES中的潜在性别差异.
- 澄清缩放方法对OUES观察到的性别差异的影响.
- 为儿童群体中OUES的性别特定参考值的发展提供信息.
主要方法:
- 利用了18名男孩和22名女孩 (年龄为8.0-12.0岁) 的回顾性和前性数据.
- 进行最大循环人体测试以确定OUES,包括比例缩放和全米缩放值 (对质量和BSA).
- 采用独立的样本t测试 (或曼-惠特尼U) 来分析群体差异.
主要成果:
- 绝对OUES值在男孩中明显高于女孩.
- 当扩大到体重时,性别之间的OUES差异并不显著.
- 按身体表面积 (BSA) 扩展的OUES和按质量扩展的OUES在男孩中明显高于女孩.
结论:
- 男孩表现出更高的OUES值,当扩展到BSA和全米到身体质量时.
- 这些发现证实了青春期前儿童在OUES中的性别差异.
- 结果强调需要性别特定的OUES参考值来准确评估儿童的心肺呼吸系统健康状况.
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