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Clinical Trial
, 18 (6), 617-27

Ramadan Fastings Effect on Plasma Leptin, Adiponectin Concentrations, and Body Composition in Trained Young Men

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Clinical Trial

Ramadan Fastings Effect on Plasma Leptin, Adiponectin Concentrations, and Body Composition in Trained Young Men

Ezzedine Bouhlel et al. Int J Sport Nutr Exerc Metab.

Abstract

Purpose: To evaluate the effect of Ramadan fasting on parameters of insulin resistance in trained athletes at rest and after aerobic exercise.

Methods: Nine male rugby players (age 19 +/- 2 yr, height 1.78 +/- 0.74 m) were tested 3 times: 1 week before observance of Ramadan (C), at the end of the first week (R1), and during the fourth week (R2). They performed a progressive cycle-ergometer test at each visit. Data collected at rest and at the end of aerobic exercise included simple anthropometry (body mass, body-mass index, body fat, fat-free mass), biochemical parameters (serum glucose, cholesterol, HDL cholesterol, triglycerides, creatinine, and serum proteins), and selected hormone concentrations (plasma insulin, leptin, and adiponectin).

Results: Ramadan fasting was associated with a reduction of body mass and body fat (R2 vs. C, p < .01) without significant change in leptin or adiponectin levels.

Conclusion: Lipolysis might have occurred because of increased plasma triglycerides and HDL cholesterol concentrations.

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