高住高练低训对青少年业余中长跑运动员血液铁代谢相关指标的影响被引量：8

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摘要目的:探讨高住高练低训(HiHiLo)对青少年男子业余中长跑运动员血液铁代谢的影响。方法:11名男子中长跑运动员随机分为对照组(n=5)和实验组(n=6)。实验组每晚20∶00至次日晨6∶30在低氧房内休息和睡眠(≥10h/day),氧浓度为14·7%(相当于海拔2700m高度),对照组在常氧环境里居住。两组日常训练安排基本保持一致,每周均进行3次低氧训练,时间30min,负荷为72%VO2max强度。所有受试对象于实验前1天,实验第7、21、28天晨安静状态下空腹取静脉血测定血常规、血清铁(SI)、血清铁蛋白(SF)、血清转铁蛋白(sTf)、血清转铁蛋白受体(sTfR)、总铁结合力(TIBC)和转铁蛋白饱和度(TS)。结果:实验组Hb与实验前相比略有升高,但无统计学意义;铁代谢各指标在组内和组间均无显著性差异。结论:HiHiLo对青少年业余中长跑运动员血液铁代谢各指标无明显影响,提示低氧训练期间补铁应慎重。

作者宋淑华曹建民胡扬

机构地区北京体育大学运动人体科学学院

出处《中国运动医学杂志》 CAS CSCD 北大核心 2007年第1期63-65,85,共4页 Chinese Journal of Sports Medicine

基金国家科技部奥运科技攻关课题(2002BA904B04)资助

关键词青少年中长跑运动员铁代谢 HIHILO 低氧训练

分类号 R87 [医药卫生—运动医学]

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