衰老对女性跑步者的最大氧气吸收和久坐控制者的影响
Vinícius Ribeiro Dos Anjos Souza1, Lavínia Vivan1, Aldo Seffrin1
1Postgraduate Program in Translation Medicine, Federal University of São Paulo, São Paulo, São Paulo, Brazil.
Experimental gerontology
|June 3, 2024
概括
休跑步者在所有年龄段都表现出较高的最大氧气吸收 (V·O2max) 超过久坐不动的女性. 身体活动显著影响V̇O2max比衰老更大,影响心肺健康和瘦肉质功能.
科学领域:
- 运动生理学 运动生理学
- 衰老研究研究 衰老研究
- 运动科学 运动科学 运动科学
背景情况:
- 最大氧吸收量 (V·O2max) 是心肺健康的一个关键指标.
- 了解衰老和体力活动对VO2max的影响对于公共健康至关重要.
- 以前的研究还没有完全阐明衰老和活动水平对女性不同VO2max表达的综合影响.
研究的目的:
- 为了比较休跑步者和久坐不动的女性之间的V̇O2max (绝对,相对于体重,相对于肌肉质量).
- 调查衰老和体力活动水平对女性VO2max的影响.
- 为了确定衰老与身体活动对VO2max的相对影响.
主要方法:
- 147名女性 (85名跑步者,62名久坐者) 的年龄分别为45.7±14.1岁和48.8±9.8岁.
- 为测量V̇O2max进行心肺运动测试.
- 双发射X射线吸收计用于身体成分分析.
主要成果:
- 与久坐不动的女性相比,女性跑步者表现出明显更高的V̇O2max值 (绝对值,相对于体重和瘦身量).
- 在跑步者组中,衰老对V̇O2max的影响更为明显.
- 身体活动水平对VO2max的影响比年龄更大,这解释了VO2max相对于体重的变异的76.2%.
结论:
- 在不同年龄组的女性中,休跑步可以提高VO2max.
- 根据V̇O2max调整为瘦肉质的指标,心肺健康和瘦肉质功能都受到衰老的负面影响.
- 身体活动是决定女性V̇O2max水平的比老化更主要的因素.
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