Key result
A 12-week exercise intervention in young females with hidden obesity lowered BMI, body fat, and plasma glucose levels, and improved cardiac autonomic function.
Why the study?
Does a 12-week exercise intervention improve body composition and cardiac autonomic function in young females with hidden obesity?
Does a 12-week exercise intervention improve body composition and cardiac autonomic function in young females with hidden obesity?
A 12-week exercise intervention improves body composition and glucose metabolism in young females with hidden obesity, potentially linked to improved cardiac autonomic function.
Answers are grounded in this paper and cite their sources.
May support exercise for hidden obesity; hypothesis-generating and should not yet change practice.
We performed exercise intervention for 12 weeks in young females (22.3±2.5 yrs ; mean±SD) with a %fat value of 30% or more (dual energy X-ray absorptiometry : DXA) despite a body mass index (BMI) of less than 25 kg/m2, which indicates hidden obesity, and the following results were obtained. The intensity of exercise was established as the double product break point calculated from heart rate and systolic blood pressure, and the subjects were instructed to exercise for 30 minutes or more for 3 or more times a week. Six weeks after exercise intervention, the BMI, body fat level, and plasma glucose level were lower than those before exercise intervention, and the %fat value was lower 12 weeks after intervention. Furthermore, cardiac autonomic function (CAF) was negatively correlated with changes in Total power and changes in fat (kg), suggesting that exercise-related improvement in CAF is involved in a decrease in %fat.
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Ishii et al. (2006) studied Hidden obesity. Exercise intervention vs. Baseline (before exercise intervention) was evaluated on BMI, body fat level, plasma glucose level, and %fat value. A 12-week exercise intervention in young females with hidden obesity lowered BMI, body fat, and plasma glucose levels, and improved cardiac autonomic function.
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