Intermittent hypoxic training for 6 weeks in 3000 m hypobaric hypoxia conditions enhances exercise economy and aerobic exercise performance in moderately trained swimmers

Biology of Sport
Hun-Young ParkKiwon Lim

Abstract

Athletic endurance performance at sea level can be improved via intermittent hypoxic training (IHT). However, the efficacy of IHT for enhancement of aerobic exercise performance at sea level is controversial because of methodological differences. Therefore, the aim of the study was to determine whether the IHT regimen ameliorates exercise economy and aerobic exercise performance in moderately trained swimmers. A total of 20 moderately trained swimmers were equally assigned to the control group (n=10) training in normoxic conditions and the IHT group (n=10) training at a simulated altitude of 3000 m. They were evaluated for metabolic parameters and skeletal muscle oxygenation during 30 min submaximal exercise on a bicycle, and aerobic exercise performance before and after 6 weeks of training composed of aerobic continuous exercise set at 80% maximal heart rate (HRmax) during 30 min and anaerobic interval exercise set at the exercise load with 90% HRmax measured in pre-test during 30 min (10 times 2 min exercise and 1 min rest). According to the results, the IHT group demonstrated greater improvement in exercise economy due to decreases in VO2 (p=.016) and HHb (p=.002) and increases in O2Hb (p<.001) and TOI (p=.006). VCO2 was dec...Continue Reading

Citations

Mar 20, 2020·International Journal of Environmental Research and Public Health·Won-Sang JungHun-Young Park
Oct 4, 2020·International Journal of Environmental Research and Public Health·Kyounghwa JungKiwon Lim
Dec 22, 2020·Frontiers in Sports and Active Living·Marta Camacho-CardenosaGuillermo Olcina
Oct 28, 2020·Physical Activity and Nutrition·Sang-Seok Nam, Hun-Young Park
Jul 25, 2021·International Journal of Environmental Research and Public Health·Won-Sang JungKiwon Lim

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Methods Mentioned

BETA
infrared spectroscopy

Software Mentioned

- PLUS
Statistical Package for the Social Sciences ( SPSS )

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