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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 August;171(4):409-16

Copyright © 2012 EDIZIONI MINERVA MEDICA

language: English

The effect of a training program on body composition, growth hormone, insulin and insulin-like growth factor 1 in overweight female college students

Gholipour M., Tabrizi A.

Physical Education Center, Sharif University of Technology, Tehran, Iran


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Aim. The aim of this study was to determine the effect of a training program on body composition, GH, IGF-1 and insulin in overweight and obese female college students.
Methods. The 17 overweight college student females divided into 2 groups: Experimental group (E) with 3 sessions per week, 6 weeks duration (N=9, Age=18.9±1.3, BMI= 28.8±2.6), and non-exercising control group (C) (N=8, Age=19.3±1.8, BMI=26.3±0.9). All measures included Vo2max, body composition, IGF-1, GH and insulin were done at baseline and following the protocol.
Results. The calorie intake increased in both groups when compared to the baseline. The Vo2max increased statistically significant in E, and decreased in C. Body weight and Fat mass decreased in E, and increased in C which none of them were significant. The protein mass decreased in both groups which was only significant in C. tIGF-1 significantly increased in both groups. GH non-significantly increased in the E and decreased in the C group, whereas the insulin had no significant changes.
Conclusion. The training program induced a significant increase in fitness (Vo2max) and although of an increase in calorie intake, resulted in weight loss. Considering the increasing of tIGF-1 and decreasing the protein mass in group E, similar experiment with enhanced resistance training volume and intensity with food administration is suggested.

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