Responses to exercise, fluid, and energy balances during ramadan in sedentary and active males

This study compares the effects of the Ramadan fast (RF) on body and plasma compositions, hematology, and responses to steady state submaximal exercise in six physically active (A, 35.5 ± 1.6 y) and seven sedentary (S, 37.6 ± 2.3 y) Kuwaiti men. Subjects were evaluated: 1) 1 wk before RF (pre-RF); 2...

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Published in:Nutrition (Burbank, Los Angeles County, Calif.) Los Angeles County, Calif.), 1999-10, Vol.15 (10), p.735-739
Main Authors: Ramadan, Jasem, Telahoun, Girma, Al-Zaid, Naji S, Barac-Nieto, M
Format: Article
Language:English
Subjects:
Adult
Bicarbonates - blood
Biological and medical sciences
body fat weight
Body Fluids - metabolism
Body Weight
Energy Metabolism
exercise
Exercise - physiology
Fasting - physiology
Feeding. Feeding behavior
Fundamental and applied biological sciences. Psychology
Heart Rate
Humans
Iron - blood
Islam
Kuwait
Male
Osmolar Concentration
Oxygen Consumption
Physical Fitness
Platelet Count
Ramadan fasting
Sodium - blood
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:This study compares the effects of the Ramadan fast (RF) on body and plasma compositions, hematology, and responses to steady state submaximal exercise in six physically active (A, 35.5 ± 1.6 y) and seven sedentary (S, 37.6 ± 2.3 y) Kuwaiti men. Subjects were evaluated: 1) 1 wk before RF (pre-RF); 2) 2 wk after the start of RF (mid-RF); 3) at the 4th wk of RF (end-RF). Total body weight and body fat decreased insignificantly ( 0.3) in both groups. At the end of Ramadan, significant increases in osmolarity ( P < 0.05), Na ( P < 0.05) and bicarbonate ( P < 0.05), and a decrease in serum iron were noted in sedentary but not in active subjects. Platelet count was lower in both groups by the end of RF ( P < 0.05). Body weight and percent fat changed little (
ISSN:0899-9007
1873-1244
DOI:10.1016/S0899-9007(99)00145-8