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Exercise as treatment for obesity

J J Zachwieja1

  • 1Exercise and Nutrition Program, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, USA.

Endocrinology and Metabolism Clinics of North America
|December 1, 1996
PubMed
Summary

Regular physical activity combined with diet aids fat loss and weight maintenance. Adopting lifelong exercise habits is crucial for controlling weight and improving overall health, even without complete normalization of body weight.

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Area of Science:

  • Exercise Science
  • Obesity Research
  • Public Health

Background:

  • Sedentary lifestyles in affluent societies contribute to rising obesity rates.
  • Formal exercise programs show modest effects on weight and fat reduction.
  • Exercise combined with energy restriction enhances fat loss and preserves lean body mass.

Purpose of the Study:

  • To examine the role of exercise in weight management and body composition.
  • To assess the impact of exercise on maintaining weight loss.
  • To explore the broader health benefits of physical activity for overweight individuals.

Main Methods:

  • Review of studies on exercise training and energy restriction for weight loss.
  • Analysis of the effects of exercise on body fat, lean mass, and resting metabolic rate (RMR).
  • Examination of long-term weight maintenance strategies involving physical activity.

Main Results:

  • Exercise accelerates fat loss and helps maintain lean body mass during diet-induced weight loss.
  • Weight loss is better maintained when exercise is integrated into a weight-reducing program.
  • Regular exercise (expending >1500 kcal/week) improves long-term weight maintenance.
  • Physical activity offers significant health benefits like improved insulin sensitivity, cardiovascular function, and blood pressure control, even without complete weight normalization.

Conclusions:

  • Exercise is a vital component for effective weight loss and maintenance.
  • Lifelong adoption of physical activity, alongside a balanced diet, is recommended for sustainable weight control and health.
  • The American College of Sports Medicine recommends daily energy expenditure of at least 300 kcal through enjoyable, sustainable physical activities.

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