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Predicting Physical Activity in Adults With Physical Disabilities: An Adaptation of the Physical Activity for
Cen-Yi Lin1, Wei-Jiun Shen2,3, Frank J H Lu4
1Department of Adapted Physical Education, National Taiwan Sport University, Taoyuan City, Taiwan.
Adapted Physical Activity Quarterly : APAQ
|August 8, 2025
Summary
Physical activity (PA) in people with disabilities is influenced by psychological factors. Perceived barriers negatively impact PA, while self-efficacy and social norms positively affect participation and intention.
Area of Science:
- Rehabilitation Psychology
- Behavioral Medicine
- Disability Studies
Background:
- Understanding physical activity (PA) drivers in individuals with disabilities is essential for targeted interventions.
- Existing models often overlook the nuanced interplay of psychological factors and barriers specific to this population.
Purpose of the Study:
- To examine the associations between perceived barriers, attitude, subjective norm, self-efficacy, intention, and PA in adults with physical disabilities.
- To test a conceptual model integrating social cognitive theory and barrier frameworks.
Main Methods:
- Cross-sectional study involving 371 adults with diverse physical disabilities.
- Structural equation modeling (SEM) was employed to analyze the relationships between key variables.
Main Results:
- Subjective norm, attitude, personal efficacy, environmental efficacy, and intention were positively linked to PA.
- Internal, interpersonal, and environmental barriers were negatively associated with PA.
- Barriers influenced motivation and volitional processes via self-efficacy and subjective norm.
Conclusions:
- PA participation in individuals with disabilities is complex, influenced by various barriers and social-cognitive factors.
- Interventions should address specific barrier types and leverage psychological constructs like self-efficacy and subjective norms.
- Findings highlight the need for tailored strategies across different stages of behavioral engagement.
