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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The effect of time-of-day and ramadan fasting on anaerobic performances
International Journal of Sports Medicine, Volume 33, No. 2, Year 2012
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Description
This study was designed to assess the effects of Ramadan-intermittent- fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00h on 3 different occasions: one week before Ramadan (BR), the second week of Ramadan (SWR) and the fourth week of Ramadan (ER). There was an interval of 36-h between any 2 successive tests. During the Wingate test, peak power (PP), mean power (MP) and the fatigue index (FI) were recorded. While PP, MP and FI were greater in the evening than in the morning during BR (p<0.001), these diurnal variations in muscle power disappeared during the month of Ramadan (i.e., SWR and ER) due to a significant decrease in PP and MP in the evening (p<0.001). However, the diurnal variation in FI when measured at 17:00h increased during this month (p<0.001). In addition, ratings of perceived exertion and fatigue were higher in the evening during Ramadan in comparison with BR. These results suggest that Ramadan might modify the circadian rhythm of muscle power and fatigue during the Wingate test by decreasing power output and increasing muscle fatigue at the time of the acrophase. © Georg Thieme Verlag KG • Stuttgart New York.
Authors & Co-Authors
Cthourou, Hamdi C.
Tunisia, Tunis
République Tunisienne Ministère de la Jeunesse, Des Sports et de L'éducation Physique
Tunisia, Sfax
University of Sfax
Hammouda, Omar
Tunisia, Tunis
République Tunisienne Ministère de la Jeunesse, Des Sports et de L'éducation Physique
Chaouachi, Anis
Tunisia, Sfax
University of Sfax
Chamari, K.
Tunisia, Tunis
République Tunisienne Ministère de la Jeunesse, Des Sports et de L'éducation Physique
Tunisia, Manouba
Université de la Manouba
Souissi, Nizar
Tunisia, Tunis
République Tunisienne Ministère de la Jeunesse, Des Sports et de L'éducation Physique
Tunisia, Manouba
Université de la Manouba
Statistics
Citations: 142
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1055/s-0031-1286251
ISSN:
01724622
e-ISSN:
14393964