Somatotype Hormone Levels and Physical Fitness in Elite Young Soccer Players over a Two-Year Monitoring Period
Mohammed A. Hammami1,2, Abderraouf Ben Abderrahman3,4, Fatma Rhibi1,4, Ammar Nebigh2,3, Sullivan Coppalle1, Guillaume Ravé5, Zouhair Tabka2, Hassane Zouhal1,
1Univ Rennes, M2S (Laboratoire Mouvement, Sport, Santé), Rennes, France 2Laboratory of Physiology and Functional Explorations, Ibn Eljazzar Faculty of Medicine, University of Sousse, Tunisia 3High Institute of Sports and Physical Education (ISSEP) Ksar Saïd, University of Manouba, Tunisia 4Laboratory of Biomonitoring of the Environment, Faculty of Science of Bizerte, University of Carthage, Tunisia 5Stade Lavallois Mayenne Football Club,
Hassane Zouhal ✉ Univ Rennes, M2S (Laboratoire Mouvement, Sport, Santé) - EA 1274, F-35000 Rennes, France. Email: hassane.zouhal@univ-rennes2.fr
Received: 17-07-2017 -- Accepted: 30-04-2018 Published (online): 14-08-2018
ABSTRACT
The effect of two soccer-training seasons on the growth, development and somatotype hormone concentrations of elite youth soccer players were evaluated. Eighteen elite soccer players and 18 age-matched non-athletic control subjects participated in the study. Anthropometric-measurements, aerobic and anaerobic performance tests and serum concentrations of insulin-like growth factor-1 (IGF-1), insulin-like growth factor binding protein-3 (IGFBP-3), and growth hormone (GH) were assessed at 5 time points across two competitive seasons. Soccer players revealed higher GH, IGF-1 and IGFBP-3 than the control group across all-time points. Significant moderate correlations were observed only in soccer players between hormonal concentrations (IGF-1 and IGFBP-3) and the jumping tests (r = 0.45-0.48; p < 0.01). Somatotropic axis hormones, anthropometric and physical parameters increased to a greater degree with growth and soccer training combined compared to growth alone. Results from this investigation revealed that intense training did not impair growth or development in these young soccer players across 2-year period.
The present study investigated the effect of two soccer-training seasons on the growth, development and somatotype hormone concentrations of elite youth soccer players.
Somatotropic axis hormones, anthropometric and physical parameters increased to a greater degree with growth and soccer training combined compared to growth alone.
The present investigation revealed that intense training did not impair growth or development in these young soccer players across 2-year period.
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Somatotype Hormone Levels and Physical Fitness in Elite Young Soccer Players over a Two-Year Monitoring Period
Mohammed A. Hammami, Abderraouf Ben Abderrahman, Fatma Rhibi, Ammar Nebigh, Sullivan Coppalle, Guillaume Ravé, Zouhair Tabka, Hassane Zouhal
