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  • Title: [Comparative study of the effect of fasting during Ramadan on the glycaemia at rest in sportsmen and sedentaries].
    Author: Ba A, Samb A, Seck D, Kane MO, Seck MB, Sarr FB, Ciss M, Gueye L, Cisse F.
    Journal: Dakar Med; 2005; 50(1):22-5. PubMed ID: 16190121.
    Abstract:
    The fast of Ramadan submits body to transient metabolic modifications; and decrease of glycaemia can be one of results. Physical exercise modifies rate of plasmatic hormones responsible for its regulation. The purpose of this study is to appreciate the influence of the fast on this biologic parameter in sportsmen and sedentaries. Thirty (30) healthy subjects (15 sportsmen of stamina and 15 sedentaries), with 25 years of average age were recruited. They have all a comparable diet. We excluded subjects having practised a physical exercise the day of the test. Capillary glycaemia was measured after weighed and physical exam, in 2 periods: in second Ramadan's fortnight, 15 minutes before food intake, two (2) months after Ramadan at least 4 hours at distance of the last meal. Comparisons were remitted in the test of Student, significant for p value lower than 0.05. During Ramadan, the glycaemia of the sportsmen at rest, is at one exception always superior or equal to that of the sedentaries. However, there is non significant difference as much during the fast as in normal food intake. Respective averages are 4.6 mmol/l, 0.15 and 4.5 mmol/l, 0.01 during Ramadan. They cross then in 4.8 mmol/l, 0.2 and 4.8 mmol/l, 0.4 in normal food intake. Landmark, the comparison of the averages from period to the other one in every group shows a significant difference only for the sedentaries. The return to normal food intake was expressed by an important gain in weight for all subjects. The fast of Ramadan has no notorious influence on sportsman's glycaemia contrary to that of sedentary. In other words, the sportsman administers better his stocks of glucose. Previous works however strongly advised against sports practice during Ramadan and more particularly the competitions, because, exercises of strong intensity can induce dehydration.
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