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2016 | 08 | 3 |

Tytuł artykułu

Intermittent exercise models may be basic in research of creatine complex effects in aerobic and anaerobic performance of athletes and Cr supplementation influence

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Background: The aim of this work was to use high intensity intermittent exercise (HIIE) to identify par ticipation of creatine to cellular energy transduction in skeletal muscle and effect of creatine supplementation. Material/Methods: Eleven additionally active physical education students performed two exercise tests: an incremental cycloergometric test to determine of anaerobic threshold and VO2max; the HIIE (30 s Wingate Test repeated 3-times interspersed with 7 minutes recovery) before and after ingestion of 20 g creatine a day for 5 days. Results: Cr ingestion resulted in increased total work production during exercise bouts the first and second and the cumulative increase in the phosphagenic work participation in the total work done as well as in simultaneous cumulative decline in the glycolytic work participation. Cr supplemented participants stated inhibition of a decrease in peak power output during consecutive bouts and changes in blood pH and buffers capacity. Increased creatinine elimination to 24-h urine after HIIE was inversely proportional to values of anaerobic threshold and VO2max. Conclusions: The used experimental interval model with HIIE allowed us to show that oral Cr supplementation may yield benefits to enhance the aerobic and anaerobic athlete’s performance during interval training due to Cr/CrP shuttle mechanism in the muscle function.

Słowa kluczowe

Twórcy

  • Gdansk University of Physical Education and Sport, Gdansk, Poland

Bibliografia

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Typ dokumentu

Bibliografia

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