The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males
Abstract Background: The aim of this study was to evaluate the effects of supplementation of Branched-Chain Amino Acids (BCAAs) plus carbohydrate (CHO) and whey protein plus CHO on muscle damage indices after eccentric resistant exercise. Materials and Methods: Twenty four untrained healthy males...
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Arak Medical University
2017-07-01
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Series: | Majallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk |
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Online Access: | http://amuj.arakmu.ac.ir/article-1-4906-en.pdf |
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author | Foad Asjodi Hamid Mohebi Ebrahim Mirzajani Azimeh Izadi |
author_facet | Foad Asjodi Hamid Mohebi Ebrahim Mirzajani Azimeh Izadi |
author_sort | Foad Asjodi |
collection | DOAJ |
description | Abstract
Background: The aim of this study was to evaluate the effects of supplementation of Branched-Chain Amino Acids (BCAAs) plus carbohydrate (CHO) and whey protein plus CHO on muscle damage indices after eccentric resistant exercise.
Materials and Methods: Twenty four untrained healthy males participated in this study. They were randomly divided into three groups, BCAA +glucose (0.1+0.1g/kg) supplement group (n=8), Whey+glucose (0.1+0.1g/kg) supplement group (n=8), and placebo (malto dextrin 0.2g/kg) group (n=8). Each subject consumed a carbohydrate beverage with addition of whey protein or branched-chain amino acid or placebo 30 minutes before exercise in a randomized,double-blind fashion. Serum levels of Creatine Kinase (CK), Lactate dehydrogenase (LDH), and muscle pain were measured before, 24, 48, 72 h after exercise. Follow-up analyses included 1-way repeated measures ANOVAs, and Bonferroni post hoc comparisons.
Results: 24 h after test, serum levels of CK, LDH and muscle pain in both supplement groups were increased less than placebo group (0.015, 0.001 and 0.001, respectively). Also, the levels of CK and LDH showed significant changes in both intervention groups compared to placebo group at 24 h (0.001, 0. 015, respectively). Similarly, significant differences in the levels of CK and LDH between groups were observed.
Conclusion: These data indicate that muscle damage and pain after resistant exercise were reduced by an ingestion of either BCAA drink or whey protein drink. |
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publishDate | 2017-07-01 |
publisher | Arak Medical University |
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series | Majallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk |
spelling | doaj.art-af5b2a5b137f423f81c125f251a6aad52022-12-21T22:57:51ZfasArak Medical UniversityMajallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk1735-53382008-644X2017-07-012042939The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young MalesFoad Asjodi0Hamid Mohebi1Ebrahim Mirzajani2Azimeh Izadi3PhD Student in Exercise Physiology, Board Member of Sport Nutrition in IMFARC (Iran Football Medical Assessment and Research Center), Tehran, IranPhD, Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Guilan University, Rasht, IranPhD, Department of Biochemistry, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, IranPhD Student in Nutrition Sciences, Student Research Committee, Department of Biochemistry and Diet Therapy, Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, IranAbstract Background: The aim of this study was to evaluate the effects of supplementation of Branched-Chain Amino Acids (BCAAs) plus carbohydrate (CHO) and whey protein plus CHO on muscle damage indices after eccentric resistant exercise. Materials and Methods: Twenty four untrained healthy males participated in this study. They were randomly divided into three groups, BCAA +glucose (0.1+0.1g/kg) supplement group (n=8), Whey+glucose (0.1+0.1g/kg) supplement group (n=8), and placebo (malto dextrin 0.2g/kg) group (n=8). Each subject consumed a carbohydrate beverage with addition of whey protein or branched-chain amino acid or placebo 30 minutes before exercise in a randomized,double-blind fashion. Serum levels of Creatine Kinase (CK), Lactate dehydrogenase (LDH), and muscle pain were measured before, 24, 48, 72 h after exercise. Follow-up analyses included 1-way repeated measures ANOVAs, and Bonferroni post hoc comparisons. Results: 24 h after test, serum levels of CK, LDH and muscle pain in both supplement groups were increased less than placebo group (0.015, 0.001 and 0.001, respectively). Also, the levels of CK and LDH showed significant changes in both intervention groups compared to placebo group at 24 h (0.001, 0. 015, respectively). Similarly, significant differences in the levels of CK and LDH between groups were observed. Conclusion: These data indicate that muscle damage and pain after resistant exercise were reduced by an ingestion of either BCAA drink or whey protein drink.http://amuj.arakmu.ac.ir/article-1-4906-en.pdfBranched-chain amino acidMuscle damageResistance exerciseWhey protein |
spellingShingle | Foad Asjodi Hamid Mohebi Ebrahim Mirzajani Azimeh Izadi The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males Majallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk Branched-chain amino acid Muscle damage Resistance exercise Whey protein |
title | The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males |
title_full | The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males |
title_fullStr | The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males |
title_full_unstemmed | The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males |
title_short | The Effects of Adding Whey Protein and Branched-chain Amino Acid to Carbohydrate Beverages on Indices of Muscle Damage after Eccentric Resistance Exercise in Untrained Young Males |
title_sort | effects of adding whey protein and branched chain amino acid to carbohydrate beverages on indices of muscle damage after eccentric resistance exercise in untrained young males |
topic | Branched-chain amino acid Muscle damage Resistance exercise Whey protein |
url | http://amuj.arakmu.ac.ir/article-1-4906-en.pdf |
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