The Concept of CMR
Slides, videos and moreManaging CMR
Effects of Weight Loss on Adipose Tissue Distribution
Effect of Weight Loss on Intra-abdominal Obesity
- 1Key Points (1 page)
- 2Weight Loss and Abdominal Obesity (1 page)
- 3Exercise-induced Weight Loss and Intra-abdominal Fat Reduction (2 pages)
- 4Diet-induced Weight Loss and Intra-abdominal Fat Reduction (1 page)
- 5Is Exercise or Diet Better at Reducing Intra-abdominal Fat? (2 pages)
- 6Exercise Without Weight Loss and Intra-abdominal Fat Reduction (4 pages)
- 7References (1 page)
Exercise-induced Weight Loss and Intra-abdominal Fat Reduction
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Conversely, approximately 20 to 25 minutes of daily exercise reduced intra-abdominal fat by only 6 to 10%, for a modest weight loss of 1.4 to 1.8 kg in overweight women (21) and obese women with diabetes (27). Illustrating a dose-response relationship between exercise dose, weight loss, and intra-abdominal fat loss, Irwin et al. (21) found that women who were highly active (>28 min/day) lost 6.9% of intra-abdominal fat, compared to a 5.9% loss among intermediate active (19 to 28 min/day), a 3.4% loss in low active (≤18 min/day), and a 0.1% gain in controls over a year-long intervention.
For a given amount of exercise-induced weight loss, the relative amount of intra-abdominal fat lost is generally greater than the amount of abdominal subcutaneous fat lost (17, 18, 24, 27, 28). This suggests that intra-abdominal fat may be more sensitive to exercise-induced weight loss than other fat depots. In general, exercise training reduces intra-abdominal fat by approximately 0.5 kg for every 4 kg of body weight lost in both men and women (17, 18). Also, it appears that as little as 20 minutes of daily exercise with an energy expenditure of less than 1,500 kcal/week can spur modest reductions in intra-abdominal fat (5 to 10%). Increasing daily exercise to 60 minutes with an energy expenditure of 3,500 to 4,500 kcal/week causes much greater reductions in intra-abdominal fat (~30%). While intra-abdominal fat cannot be readily measured, waist circumference is recommended as a reliable measure of intra-abdominal fat (29).
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