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耐力运动员在9个月的训练周期内血自由氨基酸概况的变化

Krzysztof Kusy¹, Monika Ciekot-Sołtysiak¹, Jan Matysiak²

¹Department of Athletics Strength and Conditioning, Poznan University of Physical Education, ul. Królowej Jadwigi 27/39, 61-871 Poznań, Poland.

|July 26, 2024

概括

结构化训练改变了三项运动员的血自由氨基酸 (PFAA) 概况,特别是在竞争阶段. 这些变化反映了对耐力运动的正常生理适应.

科学领域:

运动生理学运动生理学
生物化学生物化学
运动科学运动科学运动科学

背景情况:

无血氨基酸 (PFAA) 在新陈代谢过程中起着至关重要的作用.
了解长期耐力训练期间的PFAA动态对于优化运动表现和健康至关重要.
耐力运动员经历显著的生理压力,可能会改变氨基酸代谢.

研究的目的:

在9个月的训练期间,研究男性耐力三项运动员蛋白质原和非蛋白质原PFAA的长期变化.
确定不同训练阶段 (过渡阶段,一般阶段,具体阶段,比赛阶段) 如何影响运动诱导的PFAA反应.
评估观察到的PFAA变化是否表明过度训练或正常的生理适应.

主要方法:

一项纵向研究涉及9个月的11名男性耐力三项运动员.
血液样本是在休息时收集的,在运动后立即收集,并在四个训练阶段的30分钟恢复期间收集.
使用液体染色学-电子喷雾电离-并联质谱法 (LC-ESI-MS/MS) 量化了20种蛋白质性和22种非蛋白质性PFAA.

主要成果:

与其他阶段相比,竞争培训阶段显著改变了PFAA的反应模式.
分支链氨基酸,氨酸,氨酸和氨酸在竞争阶段从休息到疲劳的下降速度更快.
特定的氨基酸如谷氨胺,谷氨酸,氨酸,氨酸,氨酸和氨酸减少,而其他如α-aminoadipic酸,β-aminoisobutyric酸,β-alanine和sarcosine在竞争阶段增加.
在过渡阶段的运动中,氨酸和酸盐的含量最高;在竞争阶段,甲胺和氨酸的含量下降.
没有发现过度训练的迹象.

结论:

结构化的培训,特别是竞赛阶段,会导致PFAA的个人资料有明显的调整.
观察到的PFAA变化表明了关键能量代谢途径的适应,包括三酸循环,氧化酸化和细胞内pH缓冲.
观察到的PFAA变化似乎是对强烈耐力训练的正常生理反应,而不是过度训练的迹象.

关键词:

通过LC-ESI-MS/MS技术进行.氨是一种氨.身体构成身体组成乳酸乳酸是一种乳酸.最大的氧气吸收量非蛋白质原氨基酸的非蛋白质原氨基酸.渐进式的炼运动是一种渐进式的运动.蛋白质性氨基酸蛋白质性氨基酸培训模式培训模式

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