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Exercise, nutrition, and aging

W J Evans1

  • 1Noll Physiological Research Center, Pennsylvania State University, University Park, USA.

Clinics in Geriatric Medicine
|November 1, 1995
PubMed
Summary

Aging leads to muscle loss (sarcopenia), decreasing strength. Resistance training effectively preserves muscle mass and function in older adults, improving overall health and activity levels.

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Area of Science:

  • Gerontology
  • Exercise Physiology
  • Muscle Biology

Background:

  • Advancing adult age causes significant body composition changes.
  • Age-related skeletal muscle loss, termed sarcopenia, directly reduces muscle strength.
  • Sarcopenia impacts the elderly, including the very old and frail.

Purpose of the Study:

  • To highlight the benefits of resistance training for older adults.
  • To demonstrate resistance training's role in mitigating age-related muscle decline.

Main Methods:

  • Review of existing literature on aging, sarcopenia, and resistance training.
  • Analysis of studies examining the effects of resistance exercise on elderly populations.

Main Results:

  • Resistance training is effective in preserving or increasing skeletal muscle mass.
  • Resistance training enhances functional status in the elderly.
  • Benefits include increased energy requirements, protein retention, bone mass, and physical activity levels.

Conclusions:

  • Resistance training is a key intervention for combating sarcopenia and maintaining health in aging adults.
  • Exercise programs incorporating resistance training can improve quality of life for the elderly, regardless of frailty.

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