Document Type : Research Paper I Open Access I Released under CC BY 4.0 license
Associate Professor, Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran
Ph.D. Student of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Shahid Beheshti University, Tehran, Iranر
Ph.D. Student of Exercise Physiology, Baghiyatallah University of Medical Sciences, Tehran, Iran
Ph.D. Student of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Shahid Beheshti University, Tehran, Iran
The aim of this study was to investigate the effect of short-term taurine amino acid supplementation on neuromuscular fatigue and lactate accumulation after high intensity interval exercise. In this quasi-experimental study, the population consisted of physical education students. 20 male active volunteers (mean age, 22.12±1.25 years, height 174.59±4.63 cm, weight 71.52± 8.97 kg, BMI 23.40±2.19 kg/m2 and body fat percentage 11.81±1.21) in supplementation or placebo groups who were randomly selected participated in 2 sessions of pretest and posttest of maximal interval exercise. Taurine supplementation and placebo (starch) capsules (1 gram) were consumed by experimental and control groups, 5 capsules daily for 2 weeks. After the supplementation period, posttest was immediately conducted. To determine the differences between variables, ANOVA with the between-group and independent t test were used. The results showed that short-term taurine amino acid supplementation decreased neuromuscular fatigue (P=0.002) and blood lactate accumulation (P=0.000) following maximal interval exercise. Therefore, it can be reported that this supplement can be used to improve athletic performance in sprint interval activities.
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