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精英运动员的网细胞计数和运动表现:一项回顾性研究

Kohei Ashikaga^1,2, Marco Alfonso Perrone^1,3, Antonio Gianfelici¹

¹Institute of Sports Medicine and Science, National Italian Olympic Committee, CONI, 00197 Rome, Italy.

Sports (Basel, Switzerland)

|June 25, 2025

概括

在精英运动员中,较高的网细胞计数与减小的运动能力相关. 这表明,红细胞循环增加可能会对氧气运输和运动表现产生负面影响.

科学领域:

运动医学运动医学
血液学血液学血液学
运动生理学运动生理学

背景情况:

运动员在动态体育运动面临缩短红细胞 (RBC) 寿命和加速周转率.
这种转换可能通过增加年轻,富含氧气的红细胞来提高性能,或者通过血管内血解和减少氧气运输来损害它.

研究的目的:

为了研究网细胞计数之间的关系,这是短期红细胞变化的指标,以及精英运动员的运动能力.
为了确定网细胞计数是否预测了关键的运动性能指标,如峰值氧气吸收和厌氧值.

主要方法:

对105名在耐力或混合体育比赛中的意大利精英运动员进行了回顾性评估.
使用血液测试和心肺运动测试评估网状细胞计数,峰值VO2和厌氧值 (AT).
多变量线性回归分析以确定峰值VO2和AT的预测因素,包括网状细胞,年龄,性别和血红蛋白度.

主要成果:

网细胞计数与峰值VO2 (p=0.022) 和AT (p=0.040) 都显示出显著的负相关性.
网细胞被确定为降低峰值VO2和AT的独立预测因素 (分别为p=0.001和p=0.018).

结论:

较高的网细胞计数与精英运动员的运动能力下降有关.
这些发现表明,在运动后可能与红细胞功能下降相关的网细胞的变化可能会对运动表现产生负面影响.

关键词:

精英运动员精英运动员运动表现运动表现吸收氧气的时间网细胞的细胞系细胞.

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