Caffeine Improves Physical and Cognitive Performance during Exhaustive Exercise

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Caffeine improves physical and cognitive performance during exhaustive exercise.

UNLABELLED Caffeine is thought to act as a central stimulant and to have effects on physical, cognitive, and psychomotor functioning. PURPOSE To examine the effects of ingesting a performance bar, containing caffeine, before and during cycling exercise on physical and cognitive performance. METHODS Twenty-four well-trained cyclists consumed the products [a performance bar containing 45 g of...

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Caffeine: Cognitive and Physical Performance Enhancer or Psychoactive Drug?

Caffeine use is increasing worldwide. The underlying motivations are mainly concentration and memory enhancement and physical performance improvement. Coffee and caffeine-containing products affect the cardiovascular system, with their positive inotropic and chronotropic effects, and the central nervous system, with their locomotor activity stimulation and anxiogenic-like effects. Thus, it is o...

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Cognitive Performance Enhancement Induced by Caffeine, Carbohydrate and Guarana Mouth Rinsing during Submaximal Exercise

The aim of this study was to investigate the influence of serial mouth rinsing (MR) with nutritional supplements on cognitive performance (i.e., cognitive control and time perception) during a 40-min submaximal exercise. Twenty-four participants completed 4 counterbalanced experimental sessions, during which they performed MR with either placebo (PL), carbohydrate (CHO: 1.6 g/25 mL), guarana co...

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ژورنال

عنوان ژورنال: Medicine & Science in Sports & Exercise

سال: 2008

ISSN: 0195-9131

DOI: 10.1249/mss.0b013e31817bb8b7