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Peer-led exercise program for ageing adults to improve physical functions - a randomized trial.

D R Bouchard1,2, J V Olthuis3, V Bouffard-Levasseur4

  • 1Cardiometabolic Exercise & Lifestyle Laboratory, Fredericton, NB, Canada. Danielle.bouchard@unb.ca.

European Review of Aging and Physical Activity : Official Journal of the European Group for Research Into Elderly and Physical Activity
|February 12, 2021
PubMed
Summary

A 12-week peer-led exercise program significantly improved physical function in adults aged 50 and over. This study provides evidence for the effectiveness of peer-led interventions in enhancing the health of older adults.

Keywords:
Ageing adultsExercisePeer-ledPhysical activityPhysical function

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Area of Science:

  • Gerontology and Exercise Science
  • Public Health Interventions
  • Preventive Medicine

Background:

  • Peer-led exercise programs can empower individuals with shared characteristics to promote physical activity.
  • Evidence for the physical function and health benefits of these programs in older adults is limited.
  • A need exists to evaluate the efficacy of peer-led exercise for the aging population.

Purpose of the Study:

  • To assess the impact of a 12-week peer-led exercise program on the physical function of adults aged 50 and above.
  • To investigate the effects of the program on psychosocial and metabolic outcomes.
  • To provide evidence for the benefits of peer-led exercise interventions in older adults.

Main Methods:

  • A randomized controlled trial involving 31 adults aged 50+ over 12 weeks (March-May 2019).
  • Participants engaged in twice-weekly exercise sessions led by a trained peer leader.
  • Physical function was measured using validated tests (e.g., 30-s chair stand, 6-min walk), with psychosocial and metabolic outcomes assessed via questionnaires and blood draws.

Main Results:

  • Significant improvements were observed in the intervention group for the 30-s chair stand, arm curl, and 6-min walk tests compared to the control group (p < 0.001 for all).
  • The peer-led intervention was associated with significant improvements in participants' stress levels and perceived health.
  • No significant differences in metabolic health outcomes were found between the intervention and control groups.

Conclusions:

  • A 12-week peer-led exercise program effectively enhances physical function in adults aged 50 and older.
  • Peer-led exercise demonstrates potential as a beneficial intervention for improving health and well-being in the aging population.
  • Further research could explore long-term effects and broader health impacts.