Document Type : Research Paper I Open Access I Released under (CC BY-NC) license
Authors
1 Sports Physiology, Physical Education and Sport Sciences, University of Tabriz, Tabriz, Iran
2 Department of exercise physiology, Faculty of physical education and sport sciences, University of Tabriz, Tabriz, Iran
3 , physical education office, Tabriz university of medicine sciences. Tabriz, Iran
Abstract
Objective: Training with blood flow restriction likely have a profound effect on growth related hormonal indices. The purpose of this study was to determine the effect of two weeks intermittent training with and without blood flow restriction on serum levels of growth hormone, IGF-1 and Lactate in amateur adolescent football players.
Methodology: Therefor 24 amateur adolescent football players with age of 17/79±0/79 years-old, height of 175/41 ± 3/37 cm and weight of 69/12±4/49 kg were voluntarily selected and divided based on VO2max into two groups of control and experimental groups. The training protocol was performed in treadmill with intensity of 60-75% MHR, four sessions per week, in 400 meters, three sets in first week and four sets in second week. Recovery intervals was 60-80 seconds between exercise intervals. The thigh cuff pressure was set between 140 and 180 mmHg. Blood samples were gathered in two phases before of training protocol and 48h after last session of training for analyses of serum GH, IGF-1 levels and lactate immediately after the RAST anaerobic test. Independent and dependent T-test was used for data analyzing and significant level was set at p<0/05.
Results: There was a significant increase in serum GH (p=0/016) and lactate (p=0/000) in BFR group. But there weren’t any difference between two group in serum IGF-1 after BFR and nonBFR training (P >0/05).
Conclusion: it is concluded that intermittent trainings with BFR probably be more effective in enhancing adolescent’s growth indicators than intermittent training.
Keywords
Main Subjects
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