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2,3-diphosphoglycerate during exercise
Authors:Dr. J. Böswart  I. Kuta  Z. Lisý  P. Kostiuk
Affiliation:(1) Laboratory for Functional Diagnostics in Childhood and Adolescence, Faculty of General Medicine, Charles' University, Praha, CSSR;(2) Institute of Sport Medicine, Faculty of General Medicine, Charles' University, Praha, CSSR;(3) Research Institute of Sport Medicine, Charles' University, Praha, CSSR;(4) Laboratory for Functional Diagnostics in Childhood and Adolescence, IVth Pediatric Clinic, Ke Karlovu 2, Praha 2, CSSR
Abstract:Summary The effect of physical exercise on erythrocyte 2,3-diphosphoglycerate (2,3-DPG) content was studied in eight trained speed canoeists aged 15–25 years. One-stage 4-min load on a paddling ergometer corresponding to a 1 km race was observed. During the test, the following cardiorespiratory parameters were recorded: 
$$dot V,{text{ }}dot Voperatorname{O} _2 ,{text{ }}dot Voperatorname{O} _2 /kg,{text{ }}operatorname{HR} ,{text{  }}dot Voperatorname{O} _2 /operatorname{HR} , R$$
. Blood lactate level and haematocrit were also determined. The average resting values of 2,3-DPG and haematocrit were statistically significant increased.After 6 month intense training there was a significant increase in 2,3-DPG, and the other parameters were also increased.Abbreviations 2,3-DPG 2,3-diphosphoglycerate - Hc haematocrite - 
$$dot V$$
pulmonary ventilation - 
$$dot Voperatorname{O} _2 $$
oxygen uptake - 
$$dot Voperatorname{O} _2 /kg$$
oxygen uptake per one kg of body weight - HR heart rate - 
$$dot Voperatorname{O} _2 /operatorname{HR} $$
pulse oxygen - R respiratory quotient - La lactate - ¯x arithmetical mean - SD standard deviation - t value of t-test for paired comparisons
Keywords:2,3-Diphosphoglycerate  Exercise
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