Effects of Sprint Interval Training at Different Altitudes on Cycling Performance at Sea-Level

Sports
Geoffrey WarnierLouise Deldicque

Abstract

Benefits of sprint interval training performed in hypoxia (SIH) compared to normoxia (SIN) have been assessed by studies mostly conducted around 3000 m of simulated altitude. The present study aims to determine whether SIH at an altitude as high as 4000 m can elicit greater adaptations than the same training at 2000 m, 3000 m or sea-level. Thirty well-trained endurance male athletes (18-35 years old) participated in a six-week repeated sprint interval training program (30 s all-out sprint, 4 min 30 s recovery; 4-9 repetitions, 2 sessions/week) at sea-level (SL, n = 8), 2000 m (FiO2 16.7%, n = 8), 3000 m (FiO2 14.5%, n = 7) or 4000 m (FiO2 13.0%, n = 7). Aerobic and anaerobic exercise components were evaluated by an incremental exercise test, a 600 kJ time trial and a Wingate test before and after the training program. After training, peak power output (PPO) during the incremental exercise test increased (~6%) without differences between groups. The lactate threshold assessed by Dmax increased at 2000 m (+14 ± 12 W) and 4000 m (+12 ± 11 W) but did not change at SL and 3000 m. Mean power during the Wingate test increased at SL, 2000 m and 4000 m, although peak power increased only at 4000 m (+38 ± 38 W). The present study indicat...Continue Reading

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Citations

May 1, 2021·International Journal of Environmental Research and Public Health·Hakan KarabiyikRaci Karayigit
Aug 8, 2021·International Journal of Environmental Research and Public Health·Zhaowei KongJinlei Nie

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Methods Mentioned

BETA
blood drawing
RSA

Software Mentioned

Statistical Package for the Social Sciences ( SPSS
Strava

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