12天“高生活,低训练”训练营对优秀女性公路自行车运动员网织红细胞生成和血红蛋白质量的影响。

M J Ashenden, C J Gore, D T Martin, G P Dobson, A G Hahn
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引用次数: 109

摘要

这项研究的目的是记录“高生活,低训练”对优秀女自行车运动员红细胞生成的影响。澳大利亚国家女子公路自行车队的6名队员在模拟海拔2650米的常压缺氧(HIGH)条件下睡了12晚,而6名队友则在海拔600米的CONTROL条件下睡了12晚。在为期70天的研究中,高水平组和对照组的受试者作为一组进行训练和比赛。在缺氧睡眠前21天和1天分别测量对红细胞生成变化敏感的网织红细胞参数的基线水平(D1和D20)。在模拟海拔暴露7晚(D27)和12晚(D34),以及离开海拔屋15天(D48)和33天(D67)后重复这些测量。在HIGH组和CONTROL组中,网织红细胞的生成没有增加,网织红细胞参数也没有变化。总血红蛋白质量测量(co -再呼吸)证实了这种血液学反应的缺乏,在D1, D20, D34或D67测量时没有改变。我们的结论是,在优秀的女性公路自行车运动员中,12晚暴露于常压低氧(2650米)不足以刺激网状红细胞的产生或增加血红蛋白质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of a 12-day "live high, train low" camp on reticulocyte production and haemoglobin mass in elite female road cyclists.

The aim of this study was to document the effect of "living high, training low" on the red blood cell production of elite female cyclists. Six members of the Australian National Women's road cycling squad slept for 12 nights at a simulated altitude of 2650 m in normobaric hypoxia (HIGH), while 6 team-mates slept at an altitude of 600 m (CONTROL). HIGH and CONTROL subjects trained and raced as a group throughout the 70-day study. Baseline levels of reticulocyte parameters sensitive to changes in erythropoeisis were measured 21 days and 1 day prior to sleeping in hypoxia (D1 and D20, respectively). These measures were repeated after 7 nights (D27) and 12 nights (D34) of simulated altitude exposure, and again 15 days (D48) and 33 days (D67) after leaving the altitude house. There was no increase in reticulocyte production, nor any change in reticulocyte parameters in either the HIGH or CONTROL groups. This lack of haematological response was substantiated by total haemoglobin mass measures (CO-rebreathing), which did not change when measured on D1, D20, D34 or D67. We conclude that in elite female road cyclists, 12 nights of exposure to normobaric hypoxia (2650 m) is not sufficient to either stimulate reticulocyte production or increase haemoglobin mass.

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