Variation in body composition during the ramadan fast in athletes following a varied sports training program: intersex variations

Authors

  • Nizar Lotfi Normal Superior School (ENS), Hassan II University Casablanca , Morocco
  • Mohammed Madani Normal Superior School (ENS), Hassan II University Casablanca , Morocco

DOI:

https://doi.org/10.47197/retos.v68.116079

Keywords:

ayuno de ramadán, , composición corporal, atletas, variaciones, específicas de sexo, análisis de impedancia bioeléctrica

Abstract

Introduction and Objective. Ramadan fasting, characterized by diurnal abstinence from food and water, can significantly impact body composition, particularly in athletes undergoing intense training. This study aimed to evaluate gender-specific variations in body composition among university athletes following a varied sports training program during Ramadan.

Methodology. A total of 129 athletes (76 women, 53 men; aged 18-21 years) were assessed using multifrequency bioelectrical impedance analysis (InBody 770) before and during the fourth week of Ramadan. Measurements included fat mass, lean mass, body circumferences, and water parameters under controlled conditions.

Results. Male athletes exhibited a significant reduction in body weight (−0.46%, p = .045; Cohen’s 0.21, 95% CI [0.01, 0.41]) and overall fat mass (−4.11%, p = .031; 0.25, 95% CI [0.05, 0.45]), including segmental fat mass, while maintaining lean body mass and skeletal muscle mass. Female athletes showed reductions in hip, abdominal, and arm circumferences, with significant decreases in fat mass and skeletal muscle mass. Both genders displayed a decrease in bone mineral content.

Conclusions. The findings highlight distinct metabolic and morphological adaptations between genders during Ramadan fasting, suggesting the need for personalized nutritional and training strategies to optimize performance and health outcomes. However, the absence of a non-fasting control group and the lack of precise dietary and hydration monitoring limit the interpretation of these results.

References

Abaïdia, A. E., Daab, W., & Bouzid, M. A. (2020). Effects of Ramadan fasting on physical performance: A systematic review with meta-analysis. Sports Medicine, 50(6), 1009- 1026. https://doi.org/10.1007/s40279-020-01257-0

Aldobali, M., & Pal, K. (2021, July). Bioelectrical impedance analysis for evaluation of body composi-tion: A review. In 2021 International Congress of Advanced Technology and Engineering (ICO-TEN) (pp. 1-10). IEEE.

Al-Jafar, R., Wahyuni, N. S., Belhaj, K., Ersi, M. H., Boroghani, Z., Alreshidi, A., Alkhalaf, Z., Elliott, P., Tsi-lidis, K. K., & Dehghan, A. (2023). The impact of Ramadan intermittent fasting on anthropomet-ric measurements and body composition: Evidence from LORANS study and a meta-analysis. Frontiers in Nutrition, 10, Article 1082217. https://doi.org/10.3389/fnut.2023.1082217

Al-Rawi, N., Madkour, M., Jahrami, H., Salahat, D., Alhasan, F., BaHammam, A., & Al- Islam Faris, M. (2023). Ramadan intermittent fasting is associated with ameliorated inflammatory markers and improved plasma sphingolipids/ceramides in subjects with obesity: Lipidomics analysis. Scientific Reports, 13(1), 43862.

https://doi.org/10.1038/s41598-023-43862-9

Al Zunaidy, N. A., Al-Khalifa, A. S., Alhussain, M. H., Althwab, S. A., Mohammed, M. A., & Faris, M. E. (2024). The effect of Ramadan intermittent fasting on anthropometric, hormonal, metabolic, inflammatory, and oxidative stress markers in pre- and post- menopausal women: A prospec-tive cohort of Saudi women. Frontiers in Nutrition, 11, 1437169. https://doi.org/10.3389/fnut.2024.1437169

Alogaiel, D. M., Alsuwaylihi, A., Alotaibi, M. S., Macdonald, I. A., & Lobo, D. N. (2025). Effects of Ramadan intermittent fasting on hormones regulating appetite in healthy individuals: A systematic re-view and meta-analysis. Clinical Nutrition. https://doi.org/10.1016/j.clnu.2025.01.001

Aloui, A., Baklouti, H., Souissi, N., & Chtourou, H. (2019). Effects of Ramadan fasting on body composi-tion in athletes: A systematic review. La Tunisie Médicale, 97(10), 1077- 1087.

Aloui, A., Chtourou, H., Briki, W., Tabben, M., Chaouachi, A., Souissi, N., & Chamari,

K. (2016). Rapid weight loss in the context of Ramadan observance: Recommendations for judokas. Biology of Sport, 33(4), 407-413.

Bahijri, S. M., Ajabnoor, G. M., & Chrousos, G. P. (2015). Effect of Ramadan fasting in Saudi Arabia on serum bone profile and immunoglobulins. Therapeutic Advances in Endocrinology and Metabolism, 6(5), 223-232.

https://doi.org/10.1177/204201881559452

Bencharif, M., Dahili, K., Benseghir, L., & Benabbas, Y. (2017). Effect of Ramadan fasting on diet and physical activity: Comparison by age and gender. Clinical Nutrition and Metabolism, 31(1), 11-17. https://doi.org/10.1016/j.nupar.2016.12.005

Bouhlel, E., Denguezli, M., Zaouali, M., Tabka, Z., & Shephard, R. J. (2008). Effect of Ramadan fasting on plasma concentrations of leptin, adiponectin and body composition in trained young men. In-ternational Journal of Sports Nutrition and Exercise Metabolism, 18(6), 617-627.

Chaouachi, A., Coutts, A. J., Chamari, K., Wong, D. P., Chaouachi, M., Chtara, M., Roky, R., & Amri, M. (2009). Effect of Ramadan intermittent fasting on aerobic and anaerobic performance and per-ception of fatigue in male elite judo athletes. Journal of Strength and Conditioning Research, 23(9), 2702-2709.

https://doi.org/10.1519/JSC.0b013e3181bc17fc

Chaouachi, A., Leiper, J. B., Chtourou, H., Aziz, A. R., & Chamari, K. (2012). The effects of Ramadan in-termittent fasting on athletic performance: Recommendations for the maintenance of physical fitness. Journal of Sports Sciences, 30(Suppl 1), S53-S73. https://doi.org/10.1080/02640414.2012.698297

Chennaoui, M., Desgorces, F., Drogou, C., Boudjemaa, B., Tomaszewski, A., Depiesse, F., & Gomez-Merino, D. (2009). Effects of Ramadan fasting on physical performance and metabolic, hormo-nal, and inflammatory parameters in middle-distance runners. Applied Physiology, Nutrition, and Metabolism, 34(4), 587-594.

Chtourou, H., Hammouda, O., Souissi, H., Chamari, K., Chaouachi, A., & Souissi, N. (2012). The effect of time-of-day and Ramadan fasting on anaerobic performances. International Journal of Sports Medicine, 33(2), 142-147. https://doi.org/10.1055/s- 0031-1286250

Cienfuegos, S., Corapi, S., Gabel, K., Ezpeleta, M., Kalam, F., Lin, S., Pavlou, V., & Varady, K. A. (2022). Ef-fect of intermittent fasting on reproductive hormone levels in females and males: A review of human trials. Nutrients, 14(11), 2343.

https://doi.org/10.3390/nu14112343

Correia, J. M., Pezarat-Correia, P., Minderico, C., Infante, J., & Mendonca, G. V. (2024). Effects of time-restricted eating on aerobic capacity, body composition, and markers of metabolic health in healthy male recreational runners: A randomized crossover trial. Journal of the Academy of Nu-trition and Dietetics, 124(8), 1041-1050.

https://doi.org/10.1016/j.jand.2024.01.005

Correia, J. M., Santos, I., Pezarat-Correia, P., Silva, A. M., & Mendonça, G. V. (2021). Effects of Ramadan and non-Ramadan intermittent fasting on body composition: A systematic review and meta-analysis. Frontiers in Nutrition, 7, Article 625240.

https://doi.org/10.3389/fnut.2020.625240

Faris, M., Jahrami, H. A., Alsibai, J., & Obaideen, A. A. (2019). Impact of Ramadan diurnal intermittent fasting on metabolic syndrome components in healthy, non-athletic Muslim people aged over 15 years: A systematic review and meta-analysis. British Journal of Nutrition, 122(10), 1-22. https://doi.org/10.1017/S000711451900254X

Fenni, Y., Ikiouane, M., Redjal, M., Remini, H., Allam, A., & Zaabar, S. (2025). The effects of Ramadan fast-ing on various physiological and biochemical parameters on Muslim soccer players. Apunts Sports Medicine, 60(225), 100467.

https://doi.org/10.1016/j.apunsm.2024.100467

Fernando, H. A., Zibellini, J., Harris, R. A., Seimon, R. V., & Sainsbury, A. (2019). Effect of Ramadan fasting on weight and body composition in healthy non-athlete adults: A systematic review and meta-analysis. Nutrients, 11(2), 478.

https://doi.org/10.3390/nu11020478

Gagnon, D., & Kenny, G. P. (2012). Sex differences in thermoeffector responses during exercise at fixed requirements for heat loss. Journal of Applied Physiology, 113(5), 746- 757. https://doi.org/10.1152/japplphysiol.00637.2012

Hamouda, O., Chtourou, H., Farjallah, M. A., & Souissi, N. (2019). The effect of Ramadan fasting on body composition and performance in professional soccer players. Biology of Sport, 36(4), 317-324.

Horowitz, J. F. (2007). Exercise-induced alterations in muscle lipid metabolism improve insulin sensi-tivity. Exercise and Sport Sciences Reviews, 35(4), 192-196.

https://doi.org/10.1097/jes.0b013e318156e084

Kyle, U. G., Bosaeus, I., De Lorenzo, A. D., Deurenberg, P., Elia, M., Gómez, J. M., &

Pichard, C. (2004). Bioelectrical impedance analysis-Part I: Review of principles and methods. Clinical Nutrition, 23(5), 1226-1243.

https://doi.org/10.1016/j.clnu.2004.06.004

Liao, Y. S., Li, H. C., Lu, H. K., Lai, C. L., Wang, Y. S., & Hsieh, K. C. (2020).

Comparison of bioelectrical impedance analysis and dual energy X-ray absorptiometry for total and segmental bone mineral content with a three-compartment model. International Journal of En-vironmental Research and Public Health, 17(7), 2595.

https://doi.org/10.3390/ijerph17072595

Ling, C. H., de Craen, A. J., Slagboom, P. E., Gunn, D. A., Stokkel, M. P., Westendorp,

R. G., & Maier, A. B. (2011). Accuracy of direct segmental multi-frequency bioimpedance analysis in the assessment of total body and segmental body composition in a middle-aged adult popula-tion. Clinical Nutrition, 30(5), 610-615.

https://doi.org/10.1016/j.clnu.2011.04.001

Martínez-Rodríguez, A., Rubio-Arias, J. A., García-De Frutos, J. M., Vicente-Martínez, M., & Gunnarsson, T. P. (2021). Effect of high-intensity interval training and intermittent fasting on body composi-tion and physical performance in active women. International Journal of Environmental Re-search and Public Health, 18(12), 6431.

https://doi.org/10.3390/ijerph18126431

Maughan, R. J., Fallah, J., & Coyle, E. F. (2010). The effects of fasting on metabolism and performance. British Journal of Sports Medicine, 44(7), 490-494.

https://doi.org/10.1136/bjsm.2010.072181

Maughan, R. J., & Shirreffs, S. M. (2010). Dehydration and rehydration in competitive sport. Scandinavi-an Journal of Medicine & Science in Sports, 20(Suppl 3), 40-47.

McLester, C. N., Nickerson, B. S., Kliszczewicz, B. M., & McLester, J. R. (2020). Reliability and agreement of various InBody body composition analyzers as compared to dual-energy X-ray absorptiome-try in healthy men and women. Journal of Clinical Densitometry, 23(3), 443-450.

Meckel, Y., Ismaeel, A., & Eliakim, A. (2008). The effect of the Ramadan fast on physical performance and dietary habits in adolescent soccer players. European Journal of Applied Physiology, 102(5), 651-657. https://doi.org/10.1007/s00421-007-0633-2

Memari, A. H., Kordi, R., Panahi, N., Nikookar, L. R., Abdollahi, M., & Akbarnejad, A. (2011). Effect of Ramadan fasting on body composition and physical performance in female athletes. Asian Journal of Sports Medicine, 2(3), 161-166. https://doi.org/10.5812/asjsm.34754

Merrigan, J., Stute, N., Eckerle, J., Mackowski, N., Walters, J., O'Connor, M., & Hagen,

J. (2022). Reliability and validity of contemporary bioelectrical impedance analysis devices for body composition assessment. Journal of Exercise and Nutrition, 5(4).

Mitchell, J. H., Tate, C., Raven, P., Cobb, F., Kraus, W., Moreadith, R., & Wenger, N. (1992). Acute response and chronic adaptation to exercise in women. Medicine & Science in Sports & Exercise, 24(6), 258-265.

Nachvak, S. M., Pasdar, Y., Pirsaheb, S., Darbandi, M., Niazi, P., & Moghaddam, R. (2019). Effects of Ram-adan on food intake, glucose homeostasis, lipid profiles and body composition. European Jour-nal of Clinical Nutrition, 73(4), 594-600. https://doi.org/10.1038/s41430-018-0189-8

Norouzy, A., Salehi, M., Philippou, E., Arabi, H., Shiva, F., Mehrnoosh, S., ... & Nematy,

M. (2016). Effect of fasting in Ramadan on body composition and nutritional intake: A prospective study. Journal of Human Nutrition and Dietetics, 29(3), 395-403. https://doi.org/10.1111/jhn.12357

Ribeiro, A. S., Avelar, A., Schoenfeld, B. J., Ritti Dias, R. M., Altimari, L. R., & Cyrino,

E. S. (2014). Resistance training promotes increase in intracellular hydration in men and women. Euro-pean Journal of Sport Science, 14(6), 578-585. https://doi.org/10.1080/17461391.2014.880192

Saleh, S. A., Elsharouni, S. A., Cherian, B., & Mourou, M. (2005). Effects of Ramadan fasting on waist cir-cumference, blood pressure, lipid profile, and blood sugar on a sample of healthy Kuwaiti men and women. Malaysian Journal of Nutrition, 11(2), 143-150.

Scarbrough, C. (2023). The effects of intermittent fasting on female athletes: A systematic review. Mis-sissippi State University.

Shapses, S. A., & Sukumar, D. (2012). Bone metabolism in obesity and weight loss. Annual Review of Nutrition, 32, 287-309.

https://doi.org/10.1146/annurev.nutr.012809.104655

Shirreffs, S. M., & Sawka, M. N. (2011). Fluid and electrolyte needs for training, competition, and recov-ery. Journal of Sports Sciences, 29(S1), S39-S46. https://doi.org/10.1080/02640414.2011.614269

Smith, G. I., Yoshino, J., Reeds, D. N., Bradley, D., Burrows, R. E., Heisey, H. D., Moseley, A. C., & Mitten-dorfer, B. (2020). Testosterone and progesterone, but not estradiol, stimulate muscle protein synthesis in postmenopausal women. The Journal of

Clinical Endocrinology & Metabolism, 99(1), 256-265. https://doi.org/10.1210/jc.2013- 2835

Stellingwerff, T., Morton, J. P., & Burke, L. M. (2019). A framework for periodized nutrition for athletics. International Journal of Sport Nutrition and Exercise Metabolism, 29(2), 141-151.

Taniguchi, M., Yamada, Y., & Ichihashi, N. (2020). Acute effect of multiple sets of fatiguing resistance exercise on muscle thickness, echo intensity, and extracellular-to- intracellular water ratio. Ap-plied Physiology, Nutrition, and Metabolism, 45(2), 213-219. https://doi.org/10.1139/apnm-2018-0813

Trabelsi, K., Ammar, A., Boukhris, O., Glenn, J. M., Clark, C. C. T., Stannard, S. R., ... & Chtourou, H. (2020). Dietary intake and body composition during Ramadan in athletes: A systematic review and me-ta-analysis with meta-regression. Journal of the American College of Nutrition, 39(5), 457-473. https://doi.org/10.1080/07315724.2020.1715317

Trabelsi, K., El-Abed, K., & Hakim, A. (2012). Effects of Ramadan fasting on body water status markers after a rugby sevens match. Asian Journal of Sports Medicine, 2(3), 186-194. https://doi.org/10.5812/asjsm.34748

Trabelsi, K., Ammar, A., Boukhris, O., Glenn, J. M., Bott, N., Stannard, S. R., ... & Chtourou, H. (2024). Ram-adan intermittent fasting and its association with health-related indices and exercise test per-formance in athletes and physically active individuals: An overview of systematic reviews. Brit-ish Journal of Sports Medicine, 58(3), 136-143. https://doi.org/10.1136/bjsports-2023-107355

Weaver, C. M., Gordon, C. M., Janz, K. F., Kalkwarf, H. J., Lappe, J. M., Lewis, R., ... & Zemel, B. (2016). The National Osteoporosis Foundation's position statement on peak bone mass development and lifestyle factors: A systematic review and implementation recommendations. Osteopo-rosis International, 27(4), 1281-1386.https://doi.org/10.1007/s00198-015-3440-3

Downloads

Published

2025-06-16

How to Cite

Lotfi, N., & Madani, M. (2025). Variation in body composition during the ramadan fast in athletes following a varied sports training program: intersex variations. Retos, 68, 1413–1429. https://doi.org/10.47197/retos.v68.116079

Issue

Section

Original Research Article