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:: Volume 31, Issue 2 (summer 2021) ::
MEDICAL SCIENCES 2021, 31(2): 164-172 Back to browse issues page
The effect of resistance training with HMB supplementation on lipid profile and some physical fitness indicators of beginner bodybuilders
Soleyman Ansari Kolachahi1 , Shahram Gholamrezaei 2, Mohammad Moradnia3 , Fahimeh AdibSaber4
1- PhD in Exercise Physiology, Department of Physical Education, Faculty of Humanities, Islamic Azad University, Rasht Branch, Rasht, Iran
2- Assistant Professor, Department of Physical Education, Faculty of Humanities, Islamic Azad University, Rasht Branch, Rasht, Iran (Corresponding Author) , gholamrezaei@iaurasht.ac.ir
3- MA in in Exercise Physiology, Department of Physical Education, Faculty of Humanities, Islamic Azad University, Rasht Branch, Rasht, Iran
4- Assistant Professor, Department of Physical Education, Faculty of Humanities, Islamic Azad University, Rasht Branch, Rasht, Iran
Abstract:   (326 Views)
Background: Beta-hydroxy beta-methyl butyrate (HMB) is one of the dietary supplements that has been used in recent years to modulate homeostasis and increase lipolysis and lean mass in athletes. The aim of this study was to investigate the effect of resistance training with HMB supplementation on lipid profile and some indicators of physical fitness of beginner bodybuilders.
Materials and methods: In the present study, 40 male bodybuilders aged 19-29 years with a mean age of 22.95±3.03 years voluntarily participated and were randomly divided into two groups: HMB and placebo. The HMB group and the placebo group took the HMB supplement and the polydextrose capsule for 14 days, respectively. The training program for both groups included resistance exercises with a dual pyramid pattern for 8 weeks and 3 sessions per week. Blood samples were measured in the pre- and post-test phase two days before and after the intervention.
Results: The results of analysis of covariance showed that there was a significant difference between the two groups of HMB and placebo in the triglyceride variable due to the intervention (p <0.05). But for the other variables, including LDL, HDL, LDL / HDL, and cholesterol, this difference was not significant (p>0.05). There was also a significant difference between HMB and placebo groups in the variables of chest and leg press due to intervention (p<0.05).
Conclusion: The results of the present study showed that eight weeks of resistance training with a double pyramid pattern with HMB supplementation increased strength and decreased triglycerides in beginner bodybuilders.
Keywords: Pyramid resistance exercise, Beta-hydroxy beta-methyl butyrate (HMB), Lipid profile, Maximum power.
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Semi-pilot: Controlled/Randomized clinical trial | Subject: Physiology
Received: 2020/07/26 | Accepted: 2020/10/18 | Published: 2021/06/22
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Ansari Kolachahi S, Gholamrezaei S, Moradnia M, AdibSaber F. The effect of resistance training with HMB supplementation on lipid profile and some physical fitness indicators of beginner bodybuilders. MEDICAL SCIENCES. 2021; 31 (2) :164-172
URL: http://tmuj.iautmu.ac.ir/article-1-1784-en.html


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Volume 31, Issue 2 (summer 2021) Back to browse issues page
فصلنامه علوم پزشکی دانشگاه آزاد اسلامی واحد پزشکی تهران Medical Science Journal of Islamic Azad Univesity - Tehran Medical Branch
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