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The study investigated the effect of caffeine on physical performance in healthy citizens aged over 70 years. The main hypothesis was that 6 mg/kg caffeine would improve cycling endurance at 65% of expected maximal heart rate.
Caffeine ingestion increases the endurance of young people exercising at 60%-85% of their maximal oxygen uptake, and it also seems to improve endurance as measured by repeated sub-maximal isometric contraction and decreases the rate of perceived exertion during exercise. Although caffeine increases endurance in young people, an increase in endurance may be of greater interest in the elderly as the population of older adults with a physically active lifestyle is growing rapidly or for increasing endurance fitness through an exercise or rehabilitation program. Therefore the main hypothesis was that caffeine would improve cycling endurance at 65% of expected maximal heart rate, and the secondary hypotheses were that caffeine would improve postural stability, reaction and movement times, isometric arm flexion endurance, and walking speed, and would reduce the rate of perceived exertion after 5 minutes of cycling in healthy elderly citizens.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double-Blind, Primary Purpose: Treatment
Healthy Elderly Citizens
Surgical Research Department
Published on BioPortfolio: 2014-08-27T03:53:04-0400
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