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: \(\dot V,{\text{ }}\dot V\operatorname{O} _2 ,{\text{ }}\dot V\operatorname{O} _2 /kg,{\text{ }}\operatorname{HR} ,{\text{ }}\dot V\operatorname{O} _2 /\operatorname{HR} , R\). 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.
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Abbreviations
- 2,3-DPG:
-
2,3-diphosphoglycerate
- Hc:
-
haematocrite
- \(\dot V\) :
-
pulmonary ventilation
- \(\dot V\operatorname{O} _2 \) :
-
oxygen uptake
- \(\dot V\operatorname{O} _2 /kg\) :
-
oxygen uptake per one kg of body weight
- HR:
-
heart rate
- \(\dot V\operatorname{O} _2 /\operatorname{HR} \) :
-
pulse oxygen
- R:
-
respiratory quotient
- La:
-
lactate
- ¯x:
-
arithmetical mean
- SD:
-
standard deviation
- t :
-
value of t-test for paired comparisons
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Böswart, J., Kuta, I., Lisý, Z. et al. 2,3-diphosphoglycerate during exercise. Europ. J. Appl. Physiol. 43, 193–199 (1980). https://doi.org/10.1007/BF00421832
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DOI: https://doi.org/10.1007/BF00421832