The Study
Bone Mass, Density, Geometry, and Stress–Strain Index in Adults With Osteogenesis Imperfecta Type I and Their Associations With Physical Activity and Muscle Function Parameters
This study looked at how bones and muscles are different in people with OI compared to healthy people, and found some links between muscle strength and bone strength. But it didn't watch people over time to see if stronger muscles make bones stronger — so we can't say one causes the other.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
People with OI type I have bones that are thinner and smaller, even though the bone material is more mineralized. Their muscles are also smaller, and they move less.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 544 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Even though their bones are denser, the thinner structure and less muscle movement make their bones more fragile and prone to breaking.
- 2OI adults have 35-40% lower trabecular bone mass, 20-30% smaller bone area, 10-15% higher cortical density, 15-20% less muscle size, and 30% fewer daily steps than healthy adults.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Journal of Bone and Mineral Research
Year
2022
Authors
M. Coussens, B. Lapauw, C. Verroken, S. Goemaere, I. de Wandele, F. Malfait, T. Banica, P. Calders
Related Content
Claims (6)
Muscle contractions apply mechanical force that increases bone mineral density by activating bone-forming cells.
In people with osteogenesis imperfecta type I, hand strength does not correlate with forearm bone strength, whereas in healthy individuals, stronger hands are linked to stronger forearm bones.
Adults with osteogenesis imperfecta type I have weaker internal bone structure in their shin and forearm bones compared to healthy adults, even though their outer bone layer is denser, leading to lower overall bone strength measurements that persist into adulthood despite fewer fractures after childhood.
Adults with osteogenesis imperfecta type I have smaller leg and forearm muscles than healthy adults, even when accounting for differences in height, weight, age, and sex.
Adults with osteogenesis imperfecta type I take fewer steps and engage in less intense physical activity than healthy adults, and this is linked to lower bone and muscle mass.
Adults with osteogenesis imperfecta type I have denser cortical bone in the forearm and shin bones than healthy people, but their bones are still weaker and thinner overall.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.