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腿部血管功能与男性年龄的增长:体育活动和耐力训练训练的影响
Eivind Wang1, Matthew J Rossman2, H Jonathan Groot3
1Faculty of Health and Social Sciences, Molde University College, Molde, Norway.
定期体育活动和耐力训练可以防止与年龄相关的男性腿部血管功能下降. 终身耐力训练,与更高的有氧健身 (V·o2max) 相关,随着年龄的增长,保持下肢内皮功能.
科学领域:
- 心血管生理学心血管生理学
- 运动科学 运动科学
- 老年学是指老年学的学科.
背景情况:
- 衰老与血管内皮功能障碍有关,特别是在下肢.
- 虽然上肢血管功能受到身体活动的保护,但下肢反应仍然不太了解.
- 耐力训练对与年龄相关的腿部血管变化的影响需要进一步阐明.
研究的目的:
- 研究衰老,体力活动和耐力训练对男性腿部血管功能的影响.
- 为了比较血管内皮功能 (流媒体扩张) 在年轻的久坐,老的久坐,老的身体活跃,和老的耐力训练的男人.
- 为了探索有氧健身 (V·o2max) 和老年男性腿部血管功能之间的关系.
主要方法:
- 在39名男性的四个组中评估了表面关动脉 (SFA) 和关动脉 (PA) 的流媒体扩张 (FMD):年轻的久坐者,年长的久坐者,年长的身体活跃者和年长的耐力训练.
- 在老年耐力训练受试者中测量最大氧气吸收量 (V·o2max).
- 与V·o2max和身体活动水平相关的口病测量.
主要成果:
- 与年轻的久坐不动的男性相比,老年久坐不动的男性表现出明显较低的SFA和PA FMD.
- 较年长的身体活动群体与较年长的久坐群体相比,口炎没有显著改善.
- 老年耐力训练的男性与老年久坐的男性相比,与年轻的久坐男性相比,SFA和PA FMD显著更高.
- 在SFA/PA FMD和V̇o2max之间发现了中度至强度的相关性,但与一般身体活动水平没有相关性.
结论:
- 习惯性的体力活动,特别是终身耐力炼训练,可以缓解男性下肢血管内皮功能与年龄相关的下降.
- 增强的有氧健身 (V·o2max) 似乎是介导耐力运动对衰老血管功能的保护性益处的关键因素.
- 耐力运动训练对于在整个衰老过程中维持下肢内皮功能至关重要.
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