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J Int Soc Sports Nutr. 2012 Dec 13;9(1):52. doi: 10.1186/1550-2783-9-52.

Weight loss in combat sports: physiological, psychological and performance effects.

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1
Martial Arts and Combat Sports Research Group, School of Physical Education and Sport, University of São Paulo, Sao Paulo, Brazil. efranchini@usp.br.

Abstract

BACKGROUND:

The present article briefly reviews the weight loss processes in combat sports. We aimed to discuss the most relevant aspects of rapid weight loss (RWL) in combat sports.

METHODS:

This review was performed in the databases MedLine, Lilacs, PubMed and SciELO, and organized into sub-topics: (1) prevalence, magnitude and procedures, (2) psychological, physiological and performance effects, (3) possible strategies to avoid decreased performance (4) organizational strategies to avoid such practices.

RESULTS:

There was a high prevalence (50%) of RWL, regardless the specific combat discipline. Methods used are harmful to performance and health, such as laxatives, diuretics, use of plastic or rubber suits, and sauna. RWL affects physical and cognitive capacities, and may increase the risk of death.

CONCLUSION:

Recommendations during different training phases, educational and organizational approaches are presented to deal with or to avoid RWL.

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