Startseite Training increases anabolic response and reduces inflammatory response to a single practice in elite male adolescent volleyball players
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Training increases anabolic response and reduces inflammatory response to a single practice in elite male adolescent volleyball players

  • Dan Nemet EMAIL logo , Shawn Portal , Zvi Zadik , Rutie Pilz-Burstein , Dana Adler-Portal , Yoav Meckel und Alon Eliakim
Veröffentlicht/Copyright: 22. September 2012

Abstract

We examined the effect of training on hormonal and inflammatory response to a single volleyball practice in elite adolescent players. Fourteen male, elite, national team-level, Israeli volleyball players (age, 16.3±1.1 years, Tanner stage 4–5) participated in the study. Blood samples were collected before and immediately after a typical 60-min volleyball practice, before and after 7 weeks of training during the initial phases of the volleyball season. Hormonal measurements included the anabolic hormones growth hormone (GH), insulin-like growth factor 1 (IGF-1), IGF-binding protein 3, and testosterone; the catabolic hormone cortisol; the pro-inflammatory markers interleukin (IL) 6, and the anti-inflammatory marker IL-1 receptor antagonist. Training led to a significant improvement of both anaerobic and aerobic properties. Before the training intervention, the typical volleyball practice was associated with a significant increase of GH and testosterone and also with a significant increase of IL-6. Training resulted in a significantly greater GH response (ΔGH, 2.5±2.4 vs. 4.7±3.0 ng/mL, before and after training, respectively; p<0.02) and reduced IL-6 response (ΔIL-6, 2.0±1.6 vs. 0.6±0.7 pg/mL, before and after training, respectively; p<0.01) to the same relative intensity volleyball practice. The results suggest that, along with the improvement of anaerobic and aerobic characteristics, training leads to a greater anabolic and reduced inflammatory response to exercise.


Corresponding author: Dan Nemet, MD, MHA, Pediatric Department, Child Health and Sport Center, Meir Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel, Phone: +972-9-7471596, Fax: +972-9-7471303

Received: 2012-3-26
Accepted: 2012-8-5
Published Online: 2012-09-22
Published in Print: 2012-10-01

©2012 by Walter de Gruyter Berlin Boston

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