Journal of Sports and Biomotor Sciences

Journal of Sports and Biomotor Sciences

Comparison of the effect of high-intensity, flat pyramid, drop set and pre-exhaustion resistance training systems on growth hormone and insulin-like growth factor 1 in male athletes

Document Type : Original Article

Authors
mahmood karimi fard 1
Gholamreza sharifi 2
Farzaneh taghian 3
Elham Hajivand 1
1 Assistant Professor, Department of Exercise Physiology, Faculty of Sport Science, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
2 Associate Professor, Department of Exercise Physiology, Faculty of Sport Science, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
3 Professor, Department of Exercise Physiology, Faculty of Sport Science, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
10.22034/sbs.2024.474560.1113
Abstract
Introduction and Purpose: Resistance training has positive effects on body composition, metabolism and sports performance. The use of different training systems allows the exercises to be adapted to the athlete's physical condition of the practitioner and makes the person's training progress. The aim of this study was to investigate the effect of different methods of resistance training on the response of growth hormone (GH) and insulin-like growth factor-1 (IGF-1) in male athletes
Materials and Methods: Ten male athletes (age 25.21 ± 5.48 years, weight 75.25 ± 9.81 kg, height 180.31 ± 4.75 cm) were purposefully and voluntarily selected to participate in this research and they performed four different programs of resistance exercise (high intensity, flat pyramid, drop set and pre-exhaustion) during one session in a crossover. After performing each method, a blood sample was taken from the subjects' right arm vein to measure serum GH and IGF-1 levels, in two time periods, before and immediately after exercise. Data were analyzed using repeated measures analysis of variance.
Results: The results showed that there is a significant difference between the GH and IGF-1 levels, before and after training in all training methods (P≤0.05). Also, the comparison of the mean of GH and IGF-1 between training systems did not show any significant difference (P>0.05).
Discussion and Conclusion: The results showed that the high intensity, flat pyramid, drop set and pre-exhaustion training systems, despite the different training volume and intensity, becomes cause the same increase in GH and IGF-1.
Keywords
Weight training
Anabolic hormones
Training design
Hormonal response

Subjects

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Journal of Sports and Biomotor Sciences
Volume 16, Issue 32
March 2025
Pages 95-106

  • Receive Date 22 August 2024
  • Revise Date 26 November 2024
  • Accept Date 07 December 2024