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Related Experiment Videos

Effects of ageing on human neuromuscular function: implications for exercise.

A A Vandervoort1

  • 1Department of Physical Therapy, University of Western Ontario, London.

Canadian Journal of Sport Sciences = Journal Canadien Des Sciences Du Sport
|September 1, 1992
PubMed
Summary

Age-related muscle loss and strength decline can be improved with high-resistance exercise. Even frail elderly individuals can enhance muscle size, strength, and daily function through training, preventing sedentary detraining.

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Area of Science:

  • Gerontology
  • Exercise Physiology
  • Muscle Biology

Background:

  • Muscle mass and strength naturally decline with age, particularly after 60.
  • This decline is linked to reduced excitable muscle tissue and impacts daily activities.
  • Existing literature compares limb muscle changes across adult age groups.

Purpose of the Study:

  • To review age-related muscle mass and strength declines.
  • To explore the potential for exercise training to improve neuromuscular function in aging.
  • To discuss the efficacy of exercise in older adults.

Main Methods:

  • Literature review of studies on age-related muscle changes.
  • Analysis of comparisons between male and female limb muscles.
  • Examination of exercise training program outcomes in elderly populations.

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Main Results:

  • Significant strength decline (10-15% per decade) begins after age 60.
  • High-resistance exercise effectively improves muscle size and strength, even in the very old and frail.
  • Exercise enhances performance in sports and daily activities like walking.

Conclusions:

  • Exercise training is a viable strategy to counteract age-related muscle decline.
  • Interventions can improve neuromuscular function and physical capacity in older adults.
  • Maintenance exercise is crucial to prevent detraining in sedentary elderly individuals.