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一位打破世界纪录的马拉松大师跑步者的六年后续情况

Nathan T Romberger¹, Joseph M Stock², Ronald K McMillan¹

¹Department of Kinesiology and Applied Physiology, University of Delaware, Newark, Delaware, United States.

Journal of applied physiology (Bethesda, Md. : 1985)

|October 3, 2024

概括

马拉松大师马拉松运动员

科学领域:

运动生理学运动生理学
老年学是一门学科.
运动科学运动科学运动科学

背景情况:

耐力表现通常随着年龄的增长而下降,主要是由于最大氧气消耗 (V·o_2max) 的下降.
主体运动员为研究健康衰老和生理弹性提供了一个独特的模型.
最近对大师运动员表现的改进凸显了它们在耐力运动中的重要性.

研究的目的:

调查导致精英马拉松运动员表现下降的生理因素.
在6年的时间里,重新评估一个76岁的世界纪录保持者的生理特征.
识别与年龄相关的变化,影响训练有素的老年运动员的耐力能力.

主要方法:

案例研究设计,涉及对一名马拉松赛跑大师的生理测试.
重复测量V·o_2max,乳酸值,运行经济,最大心率 (HRmax) 和O₂脉.
2018年 (世界纪录之前) 和2024年生理数据的比较.

主要成果:

马拉松跑步速度在2018年至2024年期间显著下降.
2max价值下降了15.1%,而运行经济保持稳定.
最大心率 (HRmax) 略有下降 (3.2%),最大O2脉显著下降 (12.4%).

结论:

这位精英马拉松大师的表现下降主要归因于V·o_2max的减少.
最大O₂脉冲的减少表明最大中风体积和/或动脉静脉O₂差异的减少.
这些生理变化可能与年龄有关,在没有明显的病理的情况下发生.

关键词:

老化的老化衰老的老化一个案例研究研究.运动大师运动员消耗氧气消耗氧气的时间.跑步跑步跑步跑步跑步跑步

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