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- W3017777850 abstract "Purpose : To quantify, for an elite-level racewalker, altitude training, heat acclimation and acclimatization, physiological data, and race performance from January 2007 to August 2008. Methods : The participant performed 7 blocks of altitude training: 2 “live high:train high” blocks at 1380 m (total = 22 d) and 5 simulated “live high:train low” blocks at 3000 m/600 m (total = 98 d). Prior to the 2007 World Championships and the 2008 Olympic Games, 2 heat-acclimation blocks of ~6 weeks were performed (1 session/week), with ∼2 weeks of heat acclimatization completed immediately prior to each 20-km event. Results : During the observation period, physiological testing included maximal oxygen uptake (VO 2 max, mL·kg −1 ·min −1 ), walking speed (km·h −1 ) at 4 mmol·L −1 blood lactate concentration [La − ], body mass (kg), and hemoglobin mass (g), and 12 × 20-km races and 2 × 50-km races were performed. The highest VO 2 max was 67.0 mL·kg −1 ·min −1 (August 2007), which improved 3.1% from the first measurement (64.9 mL·kg −1 ·min −1 , June 2007). The highest percentage change in any physiological variable was 7.1%, for 4 mmol·L −1 [La − ] walking speed, improving from 14.1 (June 2007) to 15.1 km·h −1 (August 2007). Personal-best times for 20 km improved from (hh:mm:ss) 1:21:36 to 1:19:41 (2.4%) and from 3:55:08 to 3:39:27 (7.1%) in the 50-km event. The participant won Olympic bronze and silver medals in the 20- and 50-km, respectively. Conclusions : Elite racewalkers who regularly perform altitude training may benefit from periodized heat acclimation and acclimatization prior to major international competitions in the heat." @default.
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- W3017777850 date "2020-10-01" @default.
- W3017777850 modified "2023-09-25" @default.
- W3017777850 title "Altitude and Heat Training in Preparation for Competitions in the Heat: A Case Study" @default.
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- W3017777850 doi "https://doi.org/10.1123/ijspp.2019-0292" @default.
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