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Physical activity and weight maintenance.

A Tremblay1, E Doucet, P Imbeault

  • 1Division of Kinesiology, PEPS, Laval University, Ste-Foy, Quebec, Canada.

International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity
|June 15, 1999
PubMed
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Achieving significant weight loss through diet and physical activity is possible, but further fat loss may be unnecessary and potentially harmful once metabolic health is restored. Maintaining physical activity is crucial to prevent weight regain.

Area of Science:

  • Obesity research
  • Metabolic health
  • Exercise physiology

Background:

  • Physical activity is a key component of weight reduction programs.
  • Combined with a low-fat diet, it can lead to 10-15% body weight loss.
  • However, resistance to fat loss occurs before lean body mass is achieved.

Purpose of the Study:

  • To determine the necessity and feasibility of further weight loss in reduced-obese individuals.
  • To evaluate the health risks associated with extensive fat loss.
  • To emphasize the importance of sustained physical activity for weight maintenance.

Main Methods:

  • Review of existing literature on weight reduction programs.
  • Analysis of body composition changes in reduced-obese subjects.

Related Experiment Videos

  • Assessment of metabolic risk profiles (diabetes, heart disease).

    • Main Results:

    • Weight loss of 10-15% normalizes metabolic risk factors for diabetes and heart disease.
    • Spontaneous resistance to fat loss occurs, making further reduction difficult and potentially unnecessary.
    • Encouraging further weight loss in normalized individuals may not be relevant and could pose health risks.

    Conclusions:

    • Further weight loss beyond the point of spontaneous resistance is likely unnecessary and not feasible.
    • Focus should be on maintaining a normalized metabolic profile and preventing weight regain.
    • Long-term adherence to physical activity is essential for sustained weight management.