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Caffeine vs caffeine-free sports drinks: effects on urine production at rest and during prolonged exercise.
Wemple RD, Lamb DR, McKeever KH. Wemple RD, et al. Int J Sports Med. 1997 Jan;18(1):40-6. doi: 10.1055/s-2007-972593. Int J Sports Med. 1997. PMID: 9059904
We compared the effects of caffeinated vs non-caffeinated carbohydrate electrolyte (CE) drinks on urine volume (UV), free water clearance (CH2O), fractional excretion of water (FEH2O), and osmolar excretion during 4 h of rest or 1 h rest followe …
We compared the effects of caffeinated vs non-caffeinated carbohydrate electrolyte (CE) drinks on urine volume ( …
A caffeinated energy drink improves jump performance in adolescent basketball players.
Abian-Vicen J, Puente C, Salinero JJ, González-Millán C, Areces F, Muñoz G, Muñoz-Guerra J, Del Coso J. Abian-Vicen J, et al. Amino Acids. 2014 May;46(5):1333-41. doi: 10.1007/s00726-014-1702-6. Epub 2014 Mar 6. Amino Acids. 2014. PMID: 24599611
In comparison to the placebo, the ingestion of the caffeinated energy drink did not affect precision during the free throws (Caffeine = 70.7 11.8 % vs placebo = 70.3 11.0 %; P = 0.45), the three-point shooting test (39.9 11.8 vs 38.1 12.8 …
In comparison to the placebo, the ingestion of the caffeinated energy drink did not affect precision during the free th …
Sleep restriction and serving accuracy in performance tennis players, and effects of caffeine.
Reyner LA, Horne JA. Reyner LA, et al. Physiol Behav. 2013 Aug 15;120:93-6. doi: 10.1016/j.physbeh.2013.07.002. Epub 2013 Jul 31. Physiol Behav. 2013. PMID: 23916998 Clinical Trial.
Whilst it is unlikely that sleep loss will impair sports mostly relying on strength and endurance, little is known about potential effects on sports involving psychomotor performance necessitating judgement and accuracy, rather than speed, as in tennis for example, …
Whilst it is unlikely that sleep loss will impair sports mostly relying on strength and endurance, little is known about potential ef …
Energy Drinks Improve Five-Kilometer Running Performance in Recreational Endurance Runners.
Prins PJ, Goss FL, Nagle EF, Beals K, Robertson RJ, Lovalekar MT, Welton GL. Prins PJ, et al. J Strength Cond Res. 2016 Nov;30(11):2979-2990. doi: 10.1519/JSC.0000000000001391. J Strength Cond Res. 2016. PMID: 26937774 Clinical Trial.
Prins, PJ, Goss, FL, Nagle, EF, Beals, K, Robertson, RJ, Lovalekar, MT, and Welton, GL. Energy drinks improve five-kilometer running performance in recreational endurance runners. J Strength Cond Res 30(11): 2979-2990, 2016-The purpose of this study was to evaluate exercis …
Prins, PJ, Goss, FL, Nagle, EF, Beals, K, Robertson, RJ, Lovalekar, MT, and Welton, GL. Energy drinks improve five-kilometer running …
No evidence of dehydration with moderate daily coffee intake: a counterbalanced cross-over study in a free-living population.
Killer SC, Blannin AK, Jeukendrup AE. Killer SC, et al. PLoS One. 2014 Jan 9;9(1):e84154. doi: 10.1371/journal.pone.0084154. eCollection 2014. PLoS One. 2014. PMID: 24416202 Free PMC article.
Urinary and haematological hydration markers were recorded daily in addition to nude body mass measurement (BM). Plasma was analysed for caffeine to confirm compliance. There were no significant changes in TBW from beginning to end of either trial and no differences betwee …
Urinary and haematological hydration markers were recorded daily in addition to nude body mass measurement (BM). Plasma was analysed for …