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Alterations in Adiponectin, Leptin, Resistin, Testosterone, and Cortisol across Eleven Weeks of Training among
W Guy Hornsby1, G Gregory Haff2, Dylan G Suarez3
1College of Physical Activity and Sport Sciences, West Virginia University, Morgantown, WV 26505, USA.
Abstract:
Cytokine and hormone concentrations can be linked to the manipulation of training variables and to subsequent alterations in performance.
Subjects:
Nine D-1 collegiate throwers and 4 control subjects participated in this preliminary and exploratory report.
Methods:
Hormone (testosterone (T) and cortisol (C)) and adipokine (adiponectin, leptin, and resistin) measurements were taken at weeks 1, 7, and 11 for the throwers and weeks 1 and 11 for the control group. The throwers participated in an 11-week periodized resistance training and throws program during the fall preparatory period. Volume load was recorded throughout the study.
Results:
Hormone values did not exhibit statistically significant changes across time; however, there were notable changes for C, the testosterone to cortisol ratio (T:C), and adiponectin.
Conclusions:
T:C was increased as volume load decreased, and adiponectin increased in concert with decreases in C and increases in the T:C, possibly suggesting a lesser degree of obesity-related inflammation and a higher degree of "fitness" and preparedness.
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