Longitudinal changes in haemoglobin mass and VO2max in adolescents
Longitudinal changes in haemoglobin mass and VO2max in adolescents
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DOI：
10.1007/s00421-008-0953-x
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发表时间：
2009-03-01
影响因子：
3
通讯作者：
Gore, Christopher J.
中科院分区：
文献类型：
--
作者：
Eastwood, Annette;Bourdon, Pitre C.;Gore, Christopher J.
这项研究评估了1岁以上青少年的血红蛋白质量(Hb)和最大耗氧量(VO2max)之间的关系。23名受试者(11-15岁)参加了训练；12人接受了12个月的自行车训练(骑自行车者)，11人久坐不动(对照组)。大约每3个月测量一次Hb(质量)和VO2max。基线时，相对最大摄氧量(ml kg(-1)min(-1))与相对Hb(质量)(g kg(-1))之间有很高的相关性(r=0.82P<；0.0001)。在12个月中，骑自行车的人的相对最大摄氧量有显著增加，但对照组没有；然而，两组的相对Hb(质量)都没有相应的增加。骑自行车者(r=0.31，P=0.33)和对照组(r=0.42，P=0.19)的相对VO2max与相对Hb(质量)的百分比变化之间的相关性不显著。训练不会增加青少年的相对Hb(质量)，这与Hb(质量)和VO2max的强烈遗传作用一致。Hb(MASS)可用于识别最大摄氧量高的青少年。
This study assessed the relationship between haemoglobin mass (Hb(mass)) and maximum oxygen consumption (VO2max) in adolescents over 1 year. Twenty-three subjects (11-15 years) participated; 12 undertook 12 months of cycle training (cyclists) and 11 were sedentary (controls). Hb(mass) and VO2max were measured approximately every 3 months. At baseline there was a high correlation (r = 0.82, P < 0.0001) between relative VO2max (ml kg(-1) min(-1)) and relative Hb(mass) (g kg(-1)). During 12 months there was a significant increase in relative VO2max of the cyclists but not the controls; however, there was no corresponding increase in relative Hb(mass) of either group. The correlation between percent changes in relative VO2max and relative Hb(mass) was not significant for cyclists (r = 0.31, P = 0.33) or controls (r = 0.42, P = 0.19). Training does not increase relative Hb(mass) in adolescents consistent with a strong hereditary role for Hb(mass) and VO2max. Hb(mass) may be used to identify adolescents who have a high VO2max.