剧烈重复性运动与血液学状况
Severe repetitive exercise and haematological status.
作者信息
Ross J H, Attwood E C
出版信息
Postgrad Med J. 1984 Jul;60(705):454-7. doi: 10.1136/pgmj.60.705.454.
The effects of severe repetitive exercise on certain haematological measurements were studied. Decreases in haematocrit and haemoglobin (13% in one group of participants) took place during the first 2 weeks but not the third week of increasingly severe exertion and the reasons for this are discussed. Haemolysis probably plays only a small part and plasma volume expansion is likely to be the main cause of this phenomenon. It is suggested that there is no stimulus for the haemoglobin concentration to be increased to match the increased plasma volume as tissue oxygen tension is maintained satisfactorily.
研究了剧烈重复性运动对某些血液学指标的影响。在逐渐增加运动强度的前两周，血细胞比容和血红蛋白水平有所下降（一组参与者下降了13%），但在第三周没有下降，并对其原因进行了讨论。溶血可能只起很小的作用，血浆量增加可能是这一现象的主要原因。研究表明，由于组织氧张力保持在令人满意的水平，因此没有刺激因素促使血红蛋白浓度增加以匹配增加的血浆量。
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