年龄和跑步表现变量之间的关系在跑步大师中
Emma J Lee1, Eric M Snyder1, Christopher J Lundstrom1
1School of Kinesiology, University of Minnesota, 1900 University Ave. SE, Minneapolis, MN 55455, USA.
Sport sciences for health
|June 17, 2024
概括
主跑者的峰值有氧能力随着年龄的增长而下降,但可以保持跑步经济. 性差异出现在与年龄相关的变化中,即低于最大的运行能源成本.
科学领域:
- 运动生理学 运动生理学
- 老年学是指老年学的学科.
- 运动科学 运动科学 运动科学
背景情况:
- 峰值有氧能力 (V·O2峰值) 通常随着年龄的增长而下降.
- 运行经济 (RE) 是运行期间代谢成本的衡量标准,可能不会随着年龄的增长而同样下降.
- 对于大师运动员来说,了解VO2峰和RE与年龄相关的变化至关重要.
研究的目的:
- 在主跑者中评估V̇O2峰值和RE.
- 确定年龄与这些生理学指标在跑步者的关联.
主要方法:
- 一项涉及31名跑步大师 (平均年龄54.9岁) 的横截面研究.
- 参与者完成了5分钟的马拉松强度 (MIE) 跑步,随后进行了VO2峰值测试.
- 运行经济性被评估使用全米缩放的氧气成本 (alloV̇O2),能源成本 (EC) 和%V̇O2峰值.
主要成果:
- 年龄与V̇O2峰值 (r = -0.580,p = 0.001) 和alloV̇O2 (r = -0.454,p = 0.034) 有负相关.
- 女人表现出年龄和EC之间的积极关联 (r = 0.649,p = 0.042).
- 男人显示年龄和MIE V̇O2 (r = -0.600,p = 0.039) 之间的负相关性.
结论:
- 慢跑大师的有氧能力 (V·O2峰值) 随着年龄的增长而下降.
- 同样,随着年龄的增长,所有度尺度的氧气成本也会下降.
- 与年龄相关的亚最大运行能源成本的变化存在性别特异性差异.
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