n International SportMed Journal - The role of exercise in obese patients

Volume 1, Issue 5
  • ISSN : 1528-3356



Although it is widely accepted that low levels of physical activity play a major role in the etiology of obesity, many studies suggest that exercise has only modest effects on weight loss. Obesity develops during a prolonged positive energy balance (when energy intake is greater than energy expenditure) and is associated with changes that facilitate a new equilibrium in energy and in fat balance (eg, increased in insulinemia, leptinemia, sympathetic nervous system activity, fat oxidation). In order to be effective in promoting weight loss, the increased energy expenditure associated with physical activity must be higher than the reduction in energy expenditure or the increase in energy intake that may follow physical activity or weight loss. Exercise may be beneficial even in the absence of weight loss. Overweight and obese people who are active and fit have lower mortality and morbidity than sedentary normal weight people. The optimal exercise intervention for weight loss and improvement of the metabolic profile has not yet been firmly established, but there is some evidence favoring certain exercise characteristics, such as an increased volume of exercise that includes higher intensity exercises. It is important that exercise interventions be designed with close attention to what is feasible, necessary, sustainable, and safe for the patient.

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