Time course of haemoglobin mass during 21 days live high:train low simulated altitude

被引：71

作者：

Clark, Sally A. ^{[1
]}

Quod, M. J. ^{[1
]}

Clark, M. A. ^{[1
]}

Martin, D. T. ^{[1
]}

Saunders, P. U. ^{[1
]}

Gore, C. J. ^{[1
,2
]}

机构：

[1] Australian Inst Sport, Dept Physiol, Belconnen, ACT 2616, Australia

[2] Flinders Univ S Australia, Sch Educ, Adelaide, SA 5001, Australia

来源：

EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY | 2009年 / 106卷 / 03期

关键词：

Haemoglobin mass; Simulated altitude; HIGH-TRAINING LOW; INTERMITTENT NORMOBARIC HYPOXIA; IMPROVED RUNNING ECONOMY; SEA-LEVEL PERFORMANCE; RED-CELL; MODERATE-ALTITUDE; AEROBIC PERFORMANCE; RETICULOCYTE PRODUCTION; SERUM ERYTHROPOIETIN; EXERCISE PERFORMANCE;

D O I：

10.1007/s00421-009-1027-4

中图分类号：

Q4 [生理学];

学科分类号：

071003 ;

摘要：

The aim of this study was to determine the time course of changes in haemoglobin mass (Hb(mass)) in well-trained cyclists in response to live high:train low (LHTL). Twelve well-trained male cyclists participated in a 3-week LHTL protocol comprising 3,000 m simulated altitude for similar to 14 h/day. Prior to LHTL duplicate baseline measurements were made of Hb(mass), maximal oxygen consumption (VO2max) and serum erythropoietin (sEPO). Hb(mass) was measured weekly during LHTL and twice in the week thereafter. There was a 3.3% increase in Hb(mass) and no change in VO2max after LHTL. The mean Hb(mass) increased at a rate of similar to 1% per week and this was maintained in the week after cessation of LHTL. The sEPO concentration peaked after two nights of LHTL but there was only a trivial correlation (r = 0.04, P = 0.89) between the increase in sEPO and the increase in Hb(mass). Athletes seeking to gain erythropoietic benefits from moderate altitude need to spend > 12 h/day in hypoxia.

引用

页码：399 / 406

页数：8