Effects of Ramadan intermittent fasting on sports performance and training: a review.

@article{Chaouachi2009EffectsOR,
  title={Effects of Ramadan intermittent fasting on sports performance and training: a review.},
  author={Anis Chaouachi and John B. Leiper and Nizar Souissi and Aaron J. Coutts and Karim Chamari},
  journal={International journal of sports physiology and performance},
  year={2009},
  volume={4 4},
  pages={
          419-34
        }
}
The month-long diurnal Ramadan fast imposes a major challenge to Islamic athletes. Sporting events are programmed throughout the year, with the result that training and competition are often scheduled during Ramadan. The small numbers of well-controlled studies that have examined the effects of Ramadan on athletic performance suggest that few aspects of physical fitness are negatively affected, and only modest decrements are observed. Whereas subjective feelings of fatigue and other mood… 

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The effects of Ramadan intermittent fasting on athletic performance: Recommendations for the maintenance of physical fitness

Current evidence from good, well-controlled research supports the conclusion that athletes who maintain their total energy and macronutrient intake, training load, body composition, and sleep length and quality are unlikely to suffer any substantial decrements in performance during Ramadan.

Effects of Ramadan Fasting on Health and Athletic Performance

The available data indicate that high-level athletes who maintain their training load and control their sleep, food, and fluid intake and therefore do not undergo body composition changes, could sustain their performance during Ramadan.

Sport participation and Ramadan observance: Advice for the athlete

Competitors in most events can observe Ramadan with a small loss of athletic performance, however, intermittent fasting can endanger health for individuals with type I diabetes mellitus, and for participants in ultra-endurance events (particularly under hot conditions).

Achieving optimum sports performance during Ramadan: Some practical recommendations

The available evidence indicates that high-level athletes can maintain performance during Ramadan if physical training, food and fluid intake, and sleep are appropriate and well controlled, and athletes should ensure adequate sleep throughout Ramadan.

Ramadan and Sport: Minimizing Effects Upon the Observant Athlete

The intermittent fasting of Ramadan could affect various aspects of body physiology and biochemistry important to athletic success, andLogical measures to minimize the effects of Ramadan include the optimization of mood state, maintenance of training, minimization of sleep loss, appropriate adjustments of diet, and the monitoring of competitors for chronic dehydration.

The Impact of Ramadan Observance upon Athletic Performance

Empirical data on the extent of changes in anaerobic effort, endurance performance and muscle strength might be anticipated from the decrease in muscle glycogen and body fluid reserves are considered, suggesting potential nutritional and behavioral tactics for minimizing such effects in the Muslim competitor.

Strategies for maintaining fitness and performance during Ramadan

Science can help coaches improve their training plans and educate players with respect to the challenges presented by Ramadan to all levels of sports participation.

Physical performance and training response during Ramadan observance, with particular reference to protein metabolism

  • R. Shephard
  • Biology
    British Journal of Sports Medicine
  • 2012
In most of the situations studied to date, Ramadan observance has had only limited adverse consequences for either training or competitive performance, and more information is needed on responses in situations where protein intake is likely to be inadequate and when vigorous muscle training is in progress.

Effect of Ramadan Fasting on Body Composition and Physical Performance in Female Athletes

It is found that Ramadan fasting could affect the body composition, but not physical performance in female athletes during Ramadan.

Effects of Ramadan Fasting on Perceived Exercise Intensity during High-Intensity Interval Training in Elite Youth Soccer Players

There was no adverse effect of fasting on perceived exercise intensity in Ramadan fasted players, and also no impact on their maximal aerobic performance post-Ramadan.
...

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