Volume 28, Issue 6 (9-2021)                   RJMS 2021, 28(6): 0-0 | Back to browse issues page

Research code: پژوهشگران متعهد می شوند کد پژوهشی و اخلاق مقاله را تا ز
Ethics code: پژوهشگران متعهد می شوند کد پژوهشی و اخلاق مقاله را تا ز
Clinical trials code: پژوهشگران متعهد می شوند کد پژوهشی و اخلاق مقاله را تا ز

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Karimzadehfard H, Shadmehri S, Hosseini S A, Molaie A, Kazemi N. The effect of three weeks of β-alanine and creatine supplementation on the response of creatine kinase, lactate dehydrogenase and lactate to an exhausting swimming session in elite swimmers. RJMS. 2021; 28 (6)
URL: http://rjms.iums.ac.ir/article-1-6589-en.html
Marvdasht Branch, Islamic Azad University , nasibe.kazemi@yahoo.com
Abstract:   (297 Views)
Introduction: The aim of this study was to investigate the effect of three weeks of β-alanine and creatine supplementation on the response of creatine kinase, lactate dehydrogenase and lactate to an exhausting swimming session in elite swimmers.
Methods: In this semi-experimental study, 21 elite boy swimmers 15 to 20 years were selected as sample and divided into three groups: 1) supplementation of beta-allanine (daily dose of 2 tablets 1500 mg))2), supplementation of creatine (4 and 2 servings of creatine monohydrate 5 g) (3) placebo (the amount of 2 capsules containing wheat flour). During supplementation, the subjects performed their daily workouts for three days a week (1.5 hours of swimming at distance of 1200 meters). The exhausting exercise protocol was performed in three stages: warming, progressive and lactate tolerance training. Blood samples were collected before, immediately, 15 and 30 minutes after training. Data were analyzed by repeated measures ANOVA and Tukey post hoc test at the P<0.05. 
Results: Three weeks the supplementation of β-alanine (P=0.007) and creatine (P=0.001) significant increase LDH levels in response to exhausting swimming session. No significant difference was observed in the CPK changes in the supplemented groups of beta-alanine, creatine and placebo. The use of creatine supplementation significantly decreases LDH in elite swimmers (P=0.02). Significant increase in lactate levels was observed after three weeks of supplementation of creatine in response to exhausting swimming session (P=0.001).
Conclusion: It seems creatine have a greater effect on cell membrane consolidation, and the use of beta-allanine supplements, increases the individualchr(chr('39')39chr('39'))s ability to perform a more intense exercise.
     
Type of Study: Research | Subject: Exercise Physiology

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