Physiological Energy and Body Composition Reaction After 6 Weeks of Training at 2500m Hypoxia Chamber of Male Sprint

Luong Thi Anh Ngoc (), Nguyen Khanh Duy () and Nguyen Tien Tien ()

Journal of Sports Research, 2019, vol. 6, issue 1, 39-43

Abstract: The study was to verify the influence of environment assumed elevation (FiO = 15.72% with the altitude 2500m) intermittently to change certain physiological functions, biochemical and body composition of male sprinters in this study. For 6 weeks, all subjects performed three high intensity interval training sessions per week. During the interval training sessions, the (H) group trained in a normobaric hypoxic chamber at a simulated altitude of 2500m, while the group (C) performed interval training sessions under normoxia conditions also inside the chamber. Each interval running training sessions consisted of four to five 5 min bouts at 90% of VO2max velocity determined in hypoxia (VO2max-hyp) for the (H) group and 90% of velocity at VO2max determined in normoxia for the group (C). (The speed was increased linearly by 1 km/h per 1min until volitional exhaustion in a run of ≥5 minutes). The results showed that both groups had significant changes (p <0.05), but the analysis showed that group (H) in the training in hypoxia caused changes significant (p <0.05), better than group (C) (HRmin reduce -9.17bpm, vital capacity (VC) to 0.42 liters, increase in 3000m run (0.94%), VO2max (3.98%), hemoglobin (1.3%), hematocrit (3:47 %), EPO decreased -2.07%).

Keywords: Heart rate (HRmin); VO2max; Vital capacity (VC); Red blood cell (RBC); Hemoglobin (Hb); Hematorit (search for similar items in EconPapers)
Date: 2019
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