Caffeine-containing energy drink improves sprint performance during an international rugby sevens competition

• Published in: Amino acids Vol. 44; no. 6; pp. 1511 - 1519
• Main Authors: Del Coso, Juan, Portillo, Javier, Muñoz, Gloria, Abián-Vicén, Javier, Gonzalez-Millán, Cristina, Muñoz-Guerra, Jesús
• Format: Journal Article
• Language: English
• Published: Vienna Springer Vienna 01.06.2013; Springer Nature B.V
• Subjects: Adult; Analytical Chemistry; Athletic Performance; Beverages; Biochemical Engineering; Biochemistry; Biomedical and Life Sciences; Body mass; Caffeine; Caffeine - adverse effects; Caffeine - pharmacology; Caffeine - urine; Competition; Drinks; Energy drinks; Energy Drinks - adverse effects; Female; Football; Games; Global Positioning System; Heart Rate - drug effects; Humans; Ingestion; Life Sciences; Neurobiology; Original Article; Performance-Enhancing Substances; Physical Endurance - drug effects; Placebos; Proteomics; Rugby; Running; Satellite navigation systems; Sweating; Urine; Young Adult; GPS technology; Exercise; Ergogenic aids; Sprint performance; Team sports; Doping

The aim of this study was to determine the effects of a caffeine-containing energy drink on physical performance during a rugby sevens competition. A second purpose was to investigate the post-competition urinary caffeine concentration derived from the energy drink intake. On two non-consecutive day...