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The BPAQ: a bone-specific physical activity assessment instrument
1School of Physiotherapy and Exercise Science, Griffith University, Gold Coast Campus, Gold Coast, QLD, 4222, Australia. b.weeks@griffith.edu.au
Summary
A new bone-specific physical activity questionnaire (BPAQ) effectively predicts bone strength in young adults. Unlike other methods, BPAQ identified key bone health indicators in both men and women.
Area of Science:
- Bone health and physical activity research.
- Osteoporosis prevention strategies.
Background:
- Certain physical activities (PA) stimulate bone growth (osteogenic).
- Existing PA assessment tools often overlook bone-loading effects.
- A novel bone-specific PA measure is needed to accurately assess osteogenic activity.
Purpose of the Study:
- To evaluate a new bone-specific physical activity questionnaire (BPAQ).
- To compare BPAQ's predictive ability for bone strength parameters against other PA measures.
- To assess BPAQ's efficacy in healthy young adults.
Main Methods:
- Recruited 40 healthy young adults (men and women).
- Administered BPAQ, Modifiable Activity Questionnaire, Bouchard 3-day activity record, and Bone Loading History Questionnaire (BLHQ).
- Measured calcaneal broadband ultrasound attenuation (BUA) and densitometric bone mineral density (BMD); used pedometers.
Main Results:
- BPAQ's current activity component predicted BMD at the femoral neck, lumbar spine, and whole body in men (R(2)=0.36-0.68).
- BPAQ's past activity component predicted calcaneal BUA in women (R(2)=0.48).
- Other PA measures did not significantly predict these bone strength parameters.
Conclusions:
- The BPAQ accurately predicts bone strength indices at critical skeletal sites.
- BPAQ demonstrates superior ability to identify bone-relevant physical activity compared to traditional methods.
- This tool aids in assessing fracture risk and promoting bone health.
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