Abstract
The Live High-Train High (LHTH) model altitude training is required to sojourn over 2000m more than 3 weeks. In such altitudes response that may cause decreased living, sleeping and training quality. In these cases coaches may approach with suspicion to LHTH can be harmful for their training intensity edgewise training quality. The aim of this study was to investigate the effect of 12 days 1850m training on some hematological parameters in the world-class woman fencers. Ten female fencers (age 21.50 ± 3.69, height 167.16 ± 3.88 cm, weight 59.11 ± 3.437 kg) voluntarily participated in this study. The athletes were investigated low altitude training camp at 1850m. The blood samples were taken before and after the moderate altitude training for analyzing erythropoietin (EPO), red blood cell (RBC), hemoglobin (HB) and hematocrit (HCT) concentration levels. The paired sample t-test was used for determine the differences pre and posttests results, significance levels p<0.05 Results shows that concentrations of EPO increased significantly after twelve days low altitude training. However RBC, HB, HCT concentrations were unaffected by the hypoxic stimulus. The results of this study have suggested that the 12 days LHTH training at 1850 m can be stimulated EPO. This means 1850 m altitude possibly induces hypoxic effect. Nevertheless, 12 days altitude training is not enough to enhance performance related blood markers.
Highlights
Competitive athletes and coaches from wide range of sports frequently use altitude training methods to improve sea level endurance performance [1]
It is well known that long-term acclimatization to Live High – Train High” (LHTH) induces polycythemia with increase in red blood cell (RBC) count and hemoglobin concentration (HB)
The research’s special aim was to evaluate the effect of hemoglobin-mass (Hbmass) by raising 300 hours 12 days LHTH training at 1850m on erythropoietin, red of exposure natural moderate blood cell (Rbc) count and hemoglobin concentration (Hb) altitude of exposure and HCT in word class female fencers
Summary
Competitive athletes and coaches from wide range of sports frequently use altitude training methods to improve sea level endurance performance [1]. It is well known that resting arterial oxygen saturation (SaO2) is well maintained at low altitudes between sea level and 1500m. SaO2 can reach lower than 80% depending on altitude level, the fractional concentration of oxygen remains the same [2]. Several physiological and metabolic regulations are adjusted to maintain the tissue oxygenation in unbalanced homeostasis conditions. One physiological rationale is to sojourn these ambient increase endogenous erythropoietin levels in natural altitudes [9]. It is well known that long-term acclimatization to LHTH induces polycythemia with increase in red blood cell (RBC) count and hemoglobin concentration (HB). In some obligatory cases like necessity of acclimatization to competitions low or moderate altitude ambient or rare to move away from hot climate conditions, as short term (less than 3 weeks) low or moderate altitude camps
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