دورية أكاديمية
أعرض في EDS

Effects of Caffeine-Taurine Co-Ingestion on Endurance Cycling Performance in High Temperature and Humidity Environments.

التفاصيل البيبلوغرافية
العنوان: Effects of Caffeine-Taurine Co-Ingestion on Endurance Cycling Performance in High Temperature and Humidity Environments.
المؤلفون: Yu P; Capital University of Physical Education and Sports, Beijing, China.; Comprehensive Key Laboratory of Sports Ability Evaluation and Research of the General Administration of Sport of China, Beijing, China.; Key Laboratory of Sports Function Assessment and Technical Analysis, Beijing, China., Fan Y; Department of Physical Education, Henan Normal University, Xinxiang, Henan, China., Wu H; Capital University of Physical Education and Sports, Beijing, China.; Comprehensive Key Laboratory of Sports Ability Evaluation and Research of the General Administration of Sport of China, Beijing, China.; Key Laboratory of Sports Function Assessment and Technical Analysis, Beijing, China.
المصدر: Sports health [Sports Health] 2024 Sep-Oct; Vol. 16 (5), pp. 711-721. Date of Electronic Publication: 2024 Feb 26.
نوع المنشور: Journal Article; Randomized Controlled Trial
اللغة: English
بيانات الدورية: Publisher: Sage Publications Country of Publication: United States NLM ID: 101518422 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1941-0921 (Electronic) Linking ISSN: 19410921 NLM ISO Abbreviation: Sports Health Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Thousand Oaks, CA : Sage Publications
مواضيع طبية MeSH: Caffeine*/administration & dosage , Caffeine*/pharmacology , Humidity* , Cross-Over Studies* , Taurine*/administration & dosage , Hot Temperature* , Physical Endurance*/drug effects , Physical Endurance*/physiology , Athletic Performance*/physiology , Lactic Acid*/blood, Humans ; Single-Blind Method ; Young Adult ; Male ; Bicycling/physiology ; Performance-Enhancing Substances/administration & dosage ; Dietary Supplements ; Exercise Test
مستخلص: Background: Taurine (TAU) and caffeine (CAF), as common ergogenic aids, are known to affect exercise performance; however, the effects of their combined supplementation, particularly in high temperature and humidity environments, have not been studied.
Hypothesis: The combination of TAU and CAF will have a greater effect on endurance cycle performance and improve changes in physiological indicators during exercise compared with TAU or CAF supplementation alone and placebo.
Study Design: Single-blind crossover randomized controlled study.
Level of Evidence: Level 1.
Methods: Twelve university students majoring in physical education volunteered to receive 4 different supplement ingestions: (1) placebo (maltodextrin), (2) TAU, (3) CAF, (4) TAU + CAF. After a 7-day washout period, participants completed a time to exhaustion (TTE) test in the heat (35°C, 65% relative humidity).
Results: All experimental groups improved TTE compared with the placebo group. Peak and mean power of countermovement jump were significantly higher in the CAF group compared with the placebo group before the exhaustion exercise ( P = 0.02, d = 1.2 and P = 0.04, d = 1.1, respectively). Blood lactate was significantly lower after the exhaustion test in the TAU group compared with the CAF ( P < 0.01, d = 0.8) and TAU + CAF ( P < 0.01, d = 0.7) groups. Core temperature in the TAU group was significantly reduced in the placebo group later in the exhaustion test ( P < 0.01, d = 1.9).
Conclusion: In high temperature and humidity environments, acute TAU, CAF, and combined supplementation all improved TTE and did not affect recovery from lower limb neuromuscular fatigue compared with placebo, with TAU having the best effect. Combined supplementation failed to exhibit superimposed performance.
Clinical Relevance: The results provide suggestions for the effects of TAU, CAF, and their combined intake on exercise performance in high temperature and humidity environments.
Competing Interests: The authors report no potential conflicts of interest in the development and publication of this article.
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فهرسة مساهمة: Keywords: caffeine; endurance cycling performance; high temperature and humidity environments; taurine
المشرفين على المادة: 3G6A5W338E (Caffeine)
1EQV5MLY3D (Taurine)
33X04XA5AT (Lactic Acid)
0 (Performance-Enhancing Substances)
تواريخ الأحداث: Date Created: 20240226 Date Completed: 20240823 Latest Revision: 20240828
رمز التحديث: 20240828
مُعرف محوري في PubMed: PMC11346225
DOI: 10.1177/19417381241231627
PMID: 38406865
قاعدة البيانات: MEDLINE
الوصف
تدمد:1941-0921
DOI:10.1177/19417381241231627