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Adding Resistance to Aerobic Exercises Benefits Obesity

06/25/2009 - News

Adding Resistance to Aerobic Exercises Benefits Obesity

By: June Chen, MD

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Aerobic exercise may not be enough for improving function in older adults with abdominal obesity, or belly fat, and a sedentary lifestyle. According to the results of a study in the January 26, 2009 issue of the Archives of Internal Medicine, combining resistance with aerobic exercise may be the optimal exercise strategy for reducing insulin resistance and functional limitation in previously sedentary, abdominally obese older adults .

A group of Canadian and American researchers studied 136 sedentary older men and women with abdominal obesity who were randomly assigned to one of four treatment groups - resistance exercise, aerobic exercise, combined resistance and aerobic exercise, and no exercise. After six months, the researchers found that insulin resistance improved in both the aerobic exercise and the combined exercise groups and function improved in all exercise groups.

Both insulin resistance and functional limitation are established risk factors for disease and disability. Based on the findings of this study, the researchers concluded that the combination of resistance and aerobic exercise was the best strategy for reducing both insulin resistance (associated with the risk for diabetes) and functional limitation in older adults with a non-active lifestyle and abdominal obesity.

Source

Arch Intern Med. 2009;169:122-131.

Created on: 02/12/2009
Reviewed on: 06/25/2009

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