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The Journal of Sports Medicine and Physical Fitness 2017 Feb 22

DOI: 10.23736/S0022-4707.17.07090-6


language: English

Repeated-sprint training in the fasted state during Ramadan: morning or evening training?

Asma ALOUI 1, Tarak DRISS 2, Hana BAKLOUTI 3, Hamdi JAAFAR 4, 5, Omar HAMMOUDA 2, Karim CHAMARI 6, Nizar SOUISSI 7

1 High Institute of Sport and Physical Education, University of Gafsa, Gafsa, Tunisia; 2 Laboratoire CeRSM (EA 2931), Equipe de Physiologie, Biomécanique et Imagerie du Mouvement, UFR STAPS, Université Paris Ouest Nanterre La Défense, Nanterre, France; 3 Faculty of Sciences of Bizerte, University of Carthage, Carthage, Tunisia; 4 Institut de Recherche de l’Hôpital Montfort, Ottawa, Canada; 5 Faculty of Medicine, Biochemistry, Microbiology and Immunology Department, University of Ottawa, Ottawa, Canada; 6 Athlete Health and Performance Research Centre, ASPETAR, Qatar Orthopaedic and Sports Medicine Hospital, Qatar; 7 National Observatory on Sport, Tunis, Tunisia


BACKGROUND: The present study assessed the optimal moment-of-day for repeated-sprint training in the fasted state during Ramadan.
METHODS: Thirty amateur soccer players were randomly assigned to a morning training group (MTG, training at ~08:00 a.m., n = 10), an evening training group (ETG, training at ~06:00 p.m., n = 10), and a control group (n = 10). Training sessions, conducted on alternate days, consisted of 3 sets of 6 × 40-m shuttle sprints (2 × 20 m with 180° direction changes). A 20-second passive recovery and a 4-minute passive recovery were allowed between repetitions and sets, respectively. Before and after Ramadan, performance was assessed at both 08:00 a.m. and 06:00 p.m. by countermovement jump (CMJ), repeated-sprint test (RST), and Yo-Yo intermittent recovery test level-1 (YYIRT1).
RESULTS: After Ramadan, YYIRT1 performances were enhanced for both groups in the morning (7.82% and 6.29% for MTG and ETG, respectively, p < 0.05), and in the evening (6.61% and 11.20%, respectively, p < 0.05). Relative changes in YYIRT1 (p = 0.33) and RST (-2.13% and -3.44% for MTG and ETG, respectively, p = 0.49) at the specific time of training were similar for both groups. No differences were observed in CMJ performances before and after Ramadan for any group (p > 0.05).
CONCLUSIONS: Morning or evening repeated-sprint training conducted in the fasted state during Ramadan enhanced soccer-specific endurance similarly.

KEY WORDS: Intermittent fasting - Moment of day - Short-term performance - Soccer-specific endurance

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Cite this article as

Aloui A, Driss T, Baklouti H, Jaafar H, Hammouda O, Chamari K, et al. Repeated-sprint training in the fasted state during Ramadan: morning or evening training? J Sports Med Phys Fitness 2017 Feb 22. DOI: 10.23736/S0022-4707.17.07090-6 

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