The effect of caffeine, nap opportunity and their combination on biomarkers of muscle damage and antioxidant defence during repeated sprint exercise.
| Autor: | Romdhani M; High Institute of Sport and Physical Education of Sfax, Sfax University, Sfax, Tunisia.; Physical activity, Sport and health, UR18JS01, National Observatory of Sports, Tunis, Tunisia., Souissi N; Physical activity, Sport and health, UR18JS01, National Observatory of Sports, Tunis, Tunisia., Dergaa I; PHCC, Primary Health Care Corporation, Doha, Qatar., Moussa-Chamari I; College of Education, Physical Education Department, Qatar University., Chaabouni Y; Department of biochemistry, CHU Ibn Jazzar, Kairouan, Tunisia.; Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products (LATVEP) Faculty of pharmacy, University of Monastir, Monastir, Tunisia., Mahdouani K; Department of biochemistry, CHU Ibn Jazzar, Kairouan, Tunisia.; Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products (LATVEP) Faculty of pharmacy, University of Monastir, Monastir, Tunisia., Abene O; Regional center of sport medicine, Kairouan, Tunisia., Driss T; Interdisciplinary Laboratory in Neurosciences, Physiology and Psychology: Physical Activity, Health and Learning (LINP2), UFR STAPS, UPL, Paris Nanterre University, Nanterre, France., Chamari K; ASPETAR, Qatar Orthopedic and Sports Medicine Hospital, Doha, Qatar., Hammouda O; Interdisciplinary Laboratory in Neurosciences, Physiology and Psychology: Physical Activity, Health and Learning (LINP2), UFR STAPS, UPL, Paris Nanterre University, Nanterre, France.; Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine, University of Sfax, Sfax, Tunisia. |
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| Jazyk: | angličtina |
| Zdroj: | Biology of sport [Biol Sport] 2022 Oct; Vol. 39 (4), pp. 1033-1042. Date of Electronic Publication: 2021 Dec 31. |
| DOI: | 10.5114/biolsport.2023.112088 |
| Abstrakt: | To investigate the effect of 20 min nap opportunity (N20), 5 mg · kg -1 of caffeine (CAF) and their combination (CAF+N20) on the biochemical response (energetic biomarkers, biomarkers of muscle damage and enzymatic antioxidants) to the running-based anaerobic sprint test. Fourteen highly trained male athletes completed in a double-blind, counterbalanced and randomized order four test sessions: no nap with placebo (PLA), N20, CAF and CAF+N20. Compared to PLA, all treatments enhanced maximum and mean powers. Minimum power was higher [(mean difference) 58.6 (95% confidence interval = 1.31-116) Watts] after CAF and [102 (29.9-175) Watts] after CAF+N20 compared to N20. Also, plasma glucose was higher after CAF [0.81 (0.18-1.45) mmol · l -1 ] and CAF+N20 [1.03 (0.39-1.64) mmol · l -1 ] compared to N20. However, plasma lactate was higher [1.64 (0.23-3.03) mmol · l -1 ] only after N20 compared to pre-exercise, suggesting a higher anaerobic glycolysis during N20 compared to PLA, CAF and CAF+N20. Caffeine ingestion increased post-exercise creatine kinase with [54.3 (16.7-91.1) IU · l -1 ] or without napping [58.9 (21.3-96.5) IU · l -1 ] compared to PLA. However, superoxide dismutase was higher after napping with [339 (123-554) U · gHB -1 ] or without caffeine [410 (195-625) U · gHB -1 ] compared to PLA. Probably because of the higher aerobic glycolysis contribution in energy synthesis, caffeine ingestion resulted in better repeated sprint performance during CAF and CAF+N20 sessions compared to N20 and PLA. Caffeine ingestion resulted in higher muscle damage, and the short nap enhanced antioxidant defence with or without caffeine ingestion. Competing Interests: No conflict of interest to disclose. (Copyright © Biology of Sport 2022.) |
| Databáze: | MEDLINE |
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