Abstract
Background: Studying post-prandial fluctuations in blood glucose has high physiological and clinical relevance. Physical exercise is known to influence this fluctuation.
Objectives: To determine the gender difference in glucose tolerance following physical exercise in a population of university students.
Methods: A total of 146 students were randomly selected from the Olabisi Onabanjo University, Sagamu, Ogun State, southwest Nigeria. Following overnight fast, Oral Glucose Tolerance Test (OGTT) was carried out. Pre-exercise, fasting blood glucose (FBG) was measured at 0 mins, and after oral glucose load of 75 grams at 30 minutes intervals for 2 hours. The physical exercise involved cycling using a bicycle ergometer for an hour. Thereafter, OGTT was conducted again 1 hour post-exercise.
Results: The ages of the subjects ranged from 20 years to 49 years. There were 73 (50.0%) females. The mean Body Mass Index (BMI) of 23.5±1.1 kg/m2 for females was comparable to 22.8±0.3 kg/m2 for the males (p = 0.571). Seven (9.6%) females were obese compared to 2 (2.7%) males. The mean post-prandial blood glucose increased from 71.6±1.6 mg/dl to 90.8±1.8 mg/dl after oral glucose load and thereafter to 88.0±4.2 mg/dl at 120 minutes among males. The post-exercise blood glucose patterns included a significant reduction in the mean FBS for males compared to females (64.5±1.9 mg/dl vs. 71.7±1.9 mg/dl; p = 0.001).
Conclusions: Glucose tolerance with exercise is better in females than males. The clinical importance of physical exercise lies in its effect on glucose tolerance.
Publisher
Medical and Dental Consultants Association of Nigeria, OOUTH Chapter
Cited by
1 articles.
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