Central European Journal of Sport Sciences and Medicine

ISSN: 2300-9705     eISSN: 2353-2807     DOI: 10.18276/cej.2020.2-09
CC BY-SA   Open Access   DOAJ  DOAJ

Lista wydań / Vol. 30, No. 2/2020
Purine metabolism in the light of aerobic and anaerobic capacity of female boxers

Rok wydania:2020
Liczba stron:10 (97-106)
Słowa kluczowe: purine nucleotides uric acid Acid-Base Balance (ABB) wingate anaerobic test maximal oxygen uptake anaerobic threshold (AT)
Cited-by (Crossref) ?:
Autorzy: Katarzyna Domaszewska
Department of Physiology and Biochemistry, Poznan University of Physical Education, Poznan, Poland

Piotr Szewczyk
Faculty of Rehabilitation and Sport, The President Stanislaw Wojciechowski State University of Applied Sciences in Kalisz, Kalisz, Poland

Jakub Kryściak
Department of Physiology and Biochemistry, Poznan University of Physical Education, Poznan, Poland

Edyta Michalak
Department of Physiology and Biochemistry, Poznan University of Physical Education, Poznan, Poland

Tomasz Podgórski
Department of Physiology and Biochemistry, Poznan University of Physical Education, Poznan, Poland

Abstrakt

The aim of the work was to assess the intensity of purine nucleotide degradation during maximum physical exercise. 5 elite female boxers were the subject of the study. Each of them underwent two exercise stress tests in order to evaluate the level of V̊O2peak and the level of anaerobic capacity during a Wingate test. The study involved collecting capillary and venous blood samples at rest and after the exercise test to determine the Acid-Base Balance (ABB), concentration of lactic acid (LA) and purine metabolism nucleotides. The average value of V̊O2peak was 40.92 (SD = 4.087) ml/kg/min, the average anaerobic capacity Ppeak was 7.57 (SD = 0.380) Watt/kg. The workload resulted in significant changes in the level of ABB and LA after both of the exercise stress tests (p < 0.001). Concentrations of hypoxanthine (Hx), xanthine (X) and uric acid (UA) in the blood increased significantly after the Wingate test (p < 0.05). The level of plasma purine nucleotides at rest and after standard exercise may be a useful tool for monitoring the adaptation of energetic processes in different training phases and support the overload diagnosis.
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