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Normoxic and hypoxi...
Normoxic and hypoxic performance following four weeks of normobaric hypoxic training
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- Debevec, T (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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- Amon, Mojca (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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- Keramidas, Michail E. (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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- Kounalakis, S.N. (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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- Pisot, R (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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- Mekjavic, I.B. (författare)
- Jozef Stefan Inst, Dept Automat Biocybernet & Robot, Jamova 39, SI-1000 Ljubljana, Slovenia
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(creator_code:org_t)
- Aerospace Medical Association, 2010
- 2010
- Engelska.
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Ingår i: Aviation, Space and Environmental Medicine. - : Aerospace Medical Association. - 0095-6562 .- 1943-4448. ; 81:4, s. 387-393
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- INTRODUCTION:Although training in hypoxia has been suggested to improve sea level and altitude performance, most studies have only evaluated its effect on maximal aerobic capacity in either normoxia or hypoxia. The present study evaluated the effect of a live low-train high training regimen on both normoxic and hypoxic endurance performance and aerobic capacity.METHODS:There were 18 male subjects who performed 20 training sessions in either a normoxic (F(IO2) = 0.21) or hypoxic (F(IO2) = 0.12) environment. Both the Control (N = 9) and Hypoxic (N = 9) group subjects trained at an intensity that maintained their heart rate at a level corresponding to that elicited at 50% of peak power output attained in normoxia or hypoxia, respectively. Before, during, upon completion, and 10 d after the protocol, subjects' aerobic capacity (VO2 peak) and endurance performance (80% of VO2 peak) were determined under normoxic and hypoxic conditions.RESULTS:Mean +/- SD normoxic VO2 peak increased significantly only in the Control group from 45.7 +/- 6.1 to 53.9 +/- 3.9 (ml x kg(-1) x min(-1)), whereas hypoxic VO2 peak did not improve in either group. The Control group exhibited significant improvements in normoxic, but not hypoxic peak power output (PPO) and time to exhaustion, whereas the Hypoxic group only exhibited improvements in normoxic time to exhaustion. During each testing period, we also assessed pulmonary function, selected hematological variables, and anthropometry. There were no significant changes in these variables in either group after the training protocol.CONCLUSION:The hypoxic training regimen used in the present study had no significant effect on altitude and sea level performance.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Nyckelord
- endurance training; hypoxia; peak oxygen uptake; peak power output; time to exhaustion
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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