Summary
Changes in the activity of muscle enzymes of energy metabolism were studied in two groups of skiers (A, B) with a different sports performance (triosephosphate dehydrogenase-TPDH, lactate dehydrogenase-LDH, glycerol-3-phosphate dehydrogenase-GPDH, hexokinase-HK, malate dehydrogenase-MDH, citrate synthase-CS, hydroxyacyl, CoA dehydrogenase-HOADH).
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1.
In a group of ski-runners (A) significantly higher activities of CS, MDH, HOADH in the preparatory period (October) and also at the end of the competition period (March) were found in athletes with higher sports performance.
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2.
Significantly lower activities of LDH, GPDH, MDH, CS, HOADH were found in downhill skiers (group B).
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3.
Some significant correlations were established, both between the activities of individual enzymes (TPDH, GPDH, HK, CS, HOADH) and between the enzymes and indicators of functional capacity (MDH, CS, HOADH, VO2 max, HR max, O2-pulse max, body fat, laboratory performance).
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Macková, E.V., Bass, A., šprynarová, š. et al. Enzyme activity patterns of energy metabolism in skiers of different performance levels (M. quadriceps femoris). Europ. J. Appl. Physiol. 48, 315–322 (1982). https://doi.org/10.1007/BF00430221
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DOI: https://doi.org/10.1007/BF00430221