التحدي
Volume 18, Numéro 2, Pages 299-307
2026-06-06

Effect Of Prolonged Dietary Restriction During Ramadan Fasting On Body Mass Index, Basal Metabolic Rate, Total Energy Expenditure, And Selected Metabolic Parameters In Soccer Players



Authors : Mouissa Amar . Slimani Aissa . Sadouki Kamel .

Abstract

This study aimed to evaluate the effect of prolonged dietary restriction during Ramadan fasting on weight, BMI, basal metabolic rate, total energy expenditure, and blood glucose levels in soccer players under the age of 15 years. Twenty-four U15 Algerian amateur soccer players voluntarily participated in this study (mean ± SD: age = 14.25 ± 0.60 years, body height = 54.34 ± 8.19 cm). Measurements were made over three periods: before Ramadan (BR), middle of Ramadan (Mid-R), and after Ramadan (AR). Blood sugar levels, weight were measured, and calculate body mass index, total energy expenditure, and basal metabolic rate. Weight, body mass index (BMI), and basal metabolic rate (BMR) remained stable during the middle of Ramadan (Mid-R) compared to before Ramadan (BR) and after Ramadan (AR), i.e. there were no significant (p ˃ 0.05). However, there are significant between the BR and Mid-R periods (p <.001), and between Mid-R and AR in blood sugar level (BSL) (p <.001). and there are significant between the period middle of Ramadan (Mid-R), before Ramadan (BR) and after Ramadan (AR) in total energy expenditure (TEE) (p = 0.017) (p < 0.05). In conclusion Ramadan fasting is often associated with metabolic and physiological changes, such as sleep disturbances, decreased physical activity, hormonal activity, and dietary intake, these changes in our study affected total energy expenditure and blood glucose levels.

Keywords

Ramadan fasting ; Basal metabolic rate ; Body mass index ; Total energy expenditure ; Blood sugar levels ; Soccer players

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