ACUTE EFFECTS OF DIFFERENT DOSES OF BETA-ALANINE SUPPLEMENT ON NEUROMUSCULAR FATIGUE AND LACTATE ACCUMULATION AFTER INTENSE INTERVAL EXERCISE

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SHEIKHOLESLAMI VATANI DARIUSH; BOLURIAN MOHAMMAD REZA; RAHIMI RAHMAN

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Journal: Studies in Medical Sciences Year:2016 | Volume:26 | Issue:11 Page(s): 912-920

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Title

ACUTE EFFECTS OF DIFFERENT DOSES OF BETA-ALANINE SUPPLEMENT ON NEUROMUSCULAR FATIGUE AND LACTATE ACCUMULATION AFTER INTENSE INTERVAL EXERCISE

Author(s)

SHEIKHOLESLAMI VATANI DARIUSH | BOLURIAN MOHAMMAD REZA | RAHIMI RAHMAN | Issue Writer Certificate

Keywords

BETA-ALANINEQ2

FATIGUEQ2

NEUROMUSCULARQ2

LACTATEQ2

Abstract

Background & Aims: Some studies have shown that BETA-ALANINE supplementation may delay FATIGUE during strenuous exercises. This study examined the effect of 10 days of b-alanine supplementation with different doses on NEUROMUSCULAR FATIGUE and blood LACTATE levels.Material & Methods: This study was conducted on 40 active men with a mean age of 21.9±2.6 years and body mass index 24.54±1.8 kg/m2 who were randomly divided into four groups of 10 people as follows: receiving doses of 2, 4 and 6 grams of BETA-ALANINE supplement (experimental groups) and placebo (control) group. Competitors completed four 30-second Wingate tests with maximum power, before and after 10 day BETA-ALANINE supplementation period. A 4-minute rest interval was set between each exercise. At each step, the first and second blood sampling administrated before the 1st exercise and 6 minutes after finishing the 4th exercise, respectively. The EMG amplitude as NEUROMUSCULAR FATIGUE index was measured before the first Wingate and during the fourth Wingate test.Results: Supplementation with different doses of b-alanine had no effect on M-wave amplitude in vastus lateralis muscle. In other words, none of the within-group (P=0.078) and between-group (P=0.66) changes were significant. Moreover, after repeated Wingate exercises, amount of LACTATE in all groups (received b-alanine supplement and placebo group) increased significantly (p<0.001), while there was no difference between groups (p=0.1).Conclusion: The present findings suggest that doing repetitive maximal exercises result in significant increase of LACTATE, but short-term b-alanine supplementation with different doses has no effect on NEUROMUSCULAR FATIGUE and blood LACTATE accumulation.

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APA: Copy

SHEIKHOLESLAMI VATANI, DARIUSH, BOLURIAN, MOHAMMAD REZA, & RAHIMI, RAHMAN. (2016). ACUTE EFFECTS OF DIFFERENT DOSES OF BETA-ALANINE SUPPLEMENT ON NEUROMUSCULAR FATIGUE AND LACTATE ACCUMULATION AFTER INTENSE INTERVAL EXERCISE. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 26(11), 912-920. SID. https://sid.ir/paper/64345/en

Vancouver: Copy

SHEIKHOLESLAMI VATANI DARIUSH, BOLURIAN MOHAMMAD REZA, RAHIMI RAHMAN. ACUTE EFFECTS OF DIFFERENT DOSES OF BETA-ALANINE SUPPLEMENT ON NEUROMUSCULAR FATIGUE AND LACTATE ACCUMULATION AFTER INTENSE INTERVAL EXERCISE. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2016;26(11):912-920. Available from: https://sid.ir/paper/64345/en

IEEE: Copy

DARIUSH SHEIKHOLESLAMI VATANI, MOHAMMAD REZA BOLURIAN, and RAHMAN RAHIMI, “ACUTE EFFECTS OF DIFFERENT DOSES OF BETA-ALANINE SUPPLEMENT ON NEUROMUSCULAR FATIGUE AND LACTATE ACCUMULATION AFTER INTENSE INTERVAL EXERCISE,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 26, no. 11, pp. 912–920, 2016, [Online]. Available: https://sid.ir/paper/64345/en

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