Caffeine-containing energy drink improves sprint performance during an international rugby sevens competition - Del Coso, Juan; Portillo, Javier; Muñoz, Gloria; Abián-Vicén, Javier; Gonzalez-Millán, Cristina; Muñoz-Guerra, Jesús (Amino acids, 2013)
Keywords: 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