year 7, Issue 1 (Spring 2019)
Ann Appl Sport Sci 2019, 7(1): 11-17 |
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Akhoundnia K, Rashid Lamir A, Khajeie R, Arazi H. The Effect of Sport-Specific High Intensity Interval Training on Ghrelin Levels and Body Composition in Youth Wrestlers. Ann Appl Sport Sci 2019; 7 (1) :11-17
URL: http://aassjournal.com/article-1-674-en.html
URL: http://aassjournal.com/article-1-674-en.html
1- Department of Physical Education, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
2- Department of Exercise Physiology, Faculty of Sport Science, Ferdowsi University of Mashhad, Mashhad, Iran ,Rashidlamir@um.ac.ir
3- Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, Rasht, Iran
2- Department of Exercise Physiology, Faculty of Sport Science, Ferdowsi University of Mashhad, Mashhad, Iran ,
3- Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, Rasht, Iran
Abstract: (6500 Views)
Background. High-intensity interval training (HIIT) may affect acylated ghrelin (AG) through changes in body composition.
Objectives. The present study was designed to investigate and compare the effects of two different orders of wrestling-based HIIT on AG levels and body composition in highly trained wrestlers.
Methods. Forty-two male wrestlers (aged 16–21 years) were randomly assigned to one of three groups: HIIT23 (2 sets of 3 min wrestling techniques; 80-90% HRmax); HIIT32 (3 sets of 2 min wrestling techniques; 90-100% HRmax); and a control group that performed routine wrestling exercises. HIIT protocol consisted of eight techniques which were performed three day/week for eight weeks. Body composition and total plasma AG were measured 48 h before and after the protocol.
Results. Body fat percentage (p<0.01) and weight (p<0.05) were significantly decreased in the HIIT groups from pre- to post-test. There was also a significant decrease in body fat percentage of both HIIT groups compared to the control group (p=0.002). Although a significant increase in post-test AG was observed in all the groups, AG levels in HIIT groups was approximately twofold higher than control group (p<0.01).
Conclusion. It seems that eight weeks of wrestling-based HIIT can cause to significant decreases in body fat percentage and weight which is related to increase in total levels of plasma AG in highly trained wrestlers.
Objectives. The present study was designed to investigate and compare the effects of two different orders of wrestling-based HIIT on AG levels and body composition in highly trained wrestlers.
Methods. Forty-two male wrestlers (aged 16–21 years) were randomly assigned to one of three groups: HIIT23 (2 sets of 3 min wrestling techniques; 80-90% HRmax); HIIT32 (3 sets of 2 min wrestling techniques; 90-100% HRmax); and a control group that performed routine wrestling exercises. HIIT protocol consisted of eight techniques which were performed three day/week for eight weeks. Body composition and total plasma AG were measured 48 h before and after the protocol.
Results. Body fat percentage (p<0.01) and weight (p<0.05) were significantly decreased in the HIIT groups from pre- to post-test. There was also a significant decrease in body fat percentage of both HIIT groups compared to the control group (p=0.002). Although a significant increase in post-test AG was observed in all the groups, AG levels in HIIT groups was approximately twofold higher than control group (p<0.01).
Conclusion. It seems that eight weeks of wrestling-based HIIT can cause to significant decreases in body fat percentage and weight which is related to increase in total levels of plasma AG in highly trained wrestlers.
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APPLICABLE REMARKS
APPLICABLE REMARKS
- It is suggested that wrestling-based HIIT without any change in energy intake can be used to manage body weight and decrease body fat percentage in youth wrestlers.
Type of Study: Original Article |
Subject:
Sport Physiology and its related branches
Received: 2018/08/8 | Accepted: 2018/10/27
Received: 2018/08/8 | Accepted: 2018/10/27
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