ACUTE CHANGES IN BLOOD ANABOLIC-CATABOLIC INDEX (T/C RATIO) INDUCED BY TRAINING SESSION AMONG YOUNG MALE AND FEMALE WEIGHTLIFTERS
Journal Title: Medycyna Sportowa - Year 2011, Vol 27, Issue 1
Abstract
The objective of this study was evaluating of acute changes in anabolic-ca-tabolic index (ACI) expressed as blood testosterone to cortisol ratio in young male and female weightlifters following typical training session. According to the opinion of the other researches it was assumed, that directions of these changes in may be considered as a marker of biological cost of an effort. It is higher when ACI increases, and lower when it decreases.Five females and fourteen małes were enrolled to this study. They took part in a routine resistance training session of moderate load and intensity. Maximal lifted weight did not excided 85% of the personal abilities. ACI was calculated from plasma testosterone (T) and cortisol (C) levels (nmol/L) according to the formula: ACI=T/C*10 where n is 2 or 3 for males or females respectively. The hormones were determined in samples taken before and after training session.Mean cortisol level tended to decrease (by 33%) among females, and significantly dropped (by 25%) in males. Since among both the groups, mean testosterone levels slightly increased, mean ACI increased by 72% (p=0.015) in males, and tended to increase in females (by 92%). Only 4/14 males demonstrated decrease of post training ACI, because of drop of T or rise of C.Based on post training changes in ACI, one may conclude, that resistance training session of moderate load and intensity generated relatively low biological cost among young weightlifters.
Authors and Affiliations
Zbigniew Obmiński, Benedykt Opaszowski
Keywords
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