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Resistive training and long-term function in older adults.

L Jerome Brandon1, Lisa W Boyette, Adreinne Lloyd

  • 1Rehabilitation Research and Development Center, VA Medical Center, Decatur, GA 30033, USA.

Journal of Aging and Physical Activity
|June 24, 2004
PubMed
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Moderate-intensity resistive training for 24 months significantly boosts strength in older adults, with benefits sustained throughout the program. This long-term strength enhancement can improve physical function and support prolonged independence.

Area of Science:

  • Gerontology
  • Exercise Physiology
  • Rehabilitation Science

Background:

  • Aging is associated with sarcopenia and functional decline.
  • Maintaining muscle strength is crucial for independence in older adults.
  • Long-term exercise interventions are needed to combat age-related functional impairments.

Purpose of the Study:

  • To assess the impact of a 24-month moderate-intensity resistive training program on strength and physical function in older adults.
  • To determine if strength gains from resistive training are maintained over a long-term intervention.
  • To investigate the potential of strength training to prolong functional independence in the elderly.

Main Methods:

  • A repeated-measures experimental design was used with 55 healthy, community-dwelling older adults.

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  • Participants were divided into an exercise group (n=30) and a comparison group (n=25).
  • Muscle strength of five lower extremity muscle groups and physical function were assessed every six months over 24 months.

    • Main Results:

    • Moderate-intensity resistive training led to significant increases in muscle strength in older adults.
    • The observed strength improvements were retained throughout the 24-month intervention period.
    • Long-term strength training demonstrated an increase in independent-function skills.

    Conclusions:

    • A 24-month moderate-intensity resistive training program effectively increases and sustains muscle strength in older adults.
    • Long-term strength training interventions can enhance physical function and potentially prolong functional independence in this population.
    • Resistive training is a viable strategy for mitigating age-related declines in strength and function.