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Related Experiment Video

Updated: Jul 10, 2026

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit
06:52

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Published on: September 30, 2020

Activity adherence and physical function in older adults with functional limitations.

Roger A Fielding1, Jeffrey Katula, Michael E Miller

  • 1Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA. roger.fielding@tufts.edu

Medicine and Science in Sports and Exercise
|November 8, 2007
PubMed
Summary
This summary is machine-generated.

Older adults can adhere to physical activity programs, improving their physical performance. The LIFE-P trial showed that consistent engagement in exercise led to better outcomes for seniors at risk of disability.

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Area of Science:

  • Gerontology
  • Preventive Medicine
  • Clinical Trials

Background:

  • Sedentary older adults are at increased risk of disability.
  • Lifestyle interventions are crucial for maintaining independence in aging populations.
  • The Lifestyle Interventions and Independence for Elders Pilot (LIFE-P) trial investigated physical activity's effects on disability risk.

Purpose of the Study:

  • To examine the effects of a physical activity (PA) intervention compared to a health education control (SA) on disability risk in sedentary older adults.
  • To assess adherence to the LIFE-P PA intervention over the first 12 months.
  • To evaluate the relationship between physical activity adherence and functional outcomes.

Main Methods:

  • The PA intervention included walking, strength, flexibility, and balance training with behavioral support.
  • A phased, center-based schedule transitioned to home-based activity.
  • The control group received weekly/monthly health education workshops.

Main Results:

  • Moderate-intensity physical activity increased significantly in the PA group compared to the SA group.
  • Participants achieving ≥150 min/week of moderate activity showed greater Short Physical Performance Battery (SPPB) score improvement.
  • Center-based attendance rates in the PA arm were 76.3%, 65.4%, and 49.8% during adoption, transition, and maintenance phases, respectively.

Conclusions:

  • Adherence to the LIFE-P physical activity intervention was associated with improved SPPB scores.
  • Older adults at risk for disability demonstrated the ability to adhere to a long-term physical activity program.
  • Findings support the feasibility and effectiveness of sustained physical activity for improving functional outcomes in older adults.