Maternal exercise to help babies with reduced fetal movement develop healthier bones and joints
Effects of maternal exercise on fetal akinesia-impaired bone and joint development
Researchers are studying whether moms exercising during pregnancy can help unborn babies who move less grow stronger bones and healthier joints.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project ID | NIH-11166459 on NIH RePORTER |
What this research studies
This project uses a mouse model that mimics fetal akinesia (reduced movement in the womb) to see how maternal exercise improves bone and joint development. Investigators will give pregnant mice access to exercise and also apply controlled mechanical loading to explanted fetal limbs in bioreactors to reproduce movement-related forces. They will identify which fetal cells respond to these mechanical cues and map the signaling pathways that mediate the benefit. The goal is to learn mechanisms that could inform simple, safe maternal interventions for at-risk pregnancies.
Who could benefit from this research
Good fit: Pregnant people whose fetus shows reduced movement or is considered at risk for fetal akinesia (for example low amniotic fluid, breech presentation, or a family history of conditions like arthrogryposis).
Not a fit: This approach may not help cases where fetal skeletal problems are caused by unmodifiable genetic defects in muscle or bone that cannot be altered by external movement cues.
Why it matters
Potential benefit: If successful, the work could point to maternal exercise strategies or other ways to reduce the risk of hip dysplasia, arthrogryposis, and poor bone growth in babies with low fetal movement.
How similar studies have performed: Prior animal studies, including work in these mouse models, have shown that maternal exercise and mechanical loading can rescue aspects of bone and joint development, but the approach has been little tested in humans.
Where this research is happening
Philadelphia, United States
- University of Pennsylvania — Philadelphia, United States (Active)
Researchers
- Principal investigator: Boerckel, Joel D — University of Pennsylvania
- Study coordinator: Boerckel, Joel D
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.