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Role of motor function and lung function in pathways to ageing and decline
Deborah Finkel1,2, Marie Ernsth Bravell3, Nancy L Pedersen4,5
1Department of Psychology, Indiana University Southeast, New Albany, IN, USA. dfinkel@ius.edu.
Aging Clinical and Experimental Research
|February 15, 2020
Summary
Declining lung function precedes and contributes to motor function decline in aging adults. This suggests lung health is crucial for maintaining mobility and independence over time.
Area of Science:
- Gerontology
- Aging research
- Longitudinal studies
Background:
- Research links aging to changes in lung and motor function.
- Few studies examine bidirectional longitudinal influences between these functions.
- Dual change score models (DCSM) identify leading indicators of change using longitudinal data.
Purpose of the Study:
- Apply DCSM to the Swedish Adoption/Twin Study of Aging.
- Investigate the longitudinal relationship between motor functioning and lung function.
Main Methods:
- Created 3 motor functioning factors from 20 performance measures (balance, flexibility, fine motor skills).
- Measured lung function using peak expiratory flow.
- Analyzed data from 829 adults (aged 50-88) over 9 waves (27-year follow-up).
Main Results:
- Model comparisons revealed that decline in lung function precedes and contributes to subsequent decline in motor function.
Conclusions:
- Declining lung function leads to increased motor function difficulties.
- This cascade may contribute to declines in multiple functional domains.
- Understanding this process aids early intervention development for disablement.
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