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Related Concept Videos

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Related Experiment Video

Updated: Dec 13, 2025

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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Advanced Modeling Methods-Applications to Bone Fracture Mechanics.

Ani Ural1

  • 1Department of Mechanical Engineering, Villanova University, 800 Lancaster Avenue, Villanova, PA, 19085, USA. ani.ural@villanova.edu.

Current Osteoporosis Reports
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PubMed
Summary
This summary is machine-generated.

Fracture mechanics models reveal how bone

Keywords:
Bone fracture mechanicsBone fracture resistanceBone mechanicsCohesive finite element modelingExtended finite element method (XFEM)Multiscale finite element models of bone

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Area of Science:

  • Biomechanics
  • Materials Science
  • Computational Modeling

Background:

  • Bone fracture assessment traditionally relies on strength-based models.
  • Fracture mechanics offers deeper insights into bone failure mechanisms.
  • Multiscale modeling is crucial for understanding bone's complex structure.

Purpose of the Study:

  • To review recent advances in fracture mechanics-based modeling of bone.
  • To cover models across nano-, micro-, and macroscales.
  • To highlight the benefits of fracture mechanics over strength-based approaches.

Main Methods:

  • Review of multiscale fracture mechanics models for bone.
  • Analysis of nano/submicroscale, microscale, and macroscale modeling approaches.
  • Synthesis of findings from computational studies.

Main Results:

  • Macroscale models elucidate geometry and loading effects on whole bone fracture.
  • Microscale models detail microstructure and material property contributions.
  • Nanoscale models reveal the impact of constituent proteins and minerals on fracture resistance.

Conclusions:

  • Fracture mechanics models provide unique insights into multiscale bone fracture mechanisms.
  • These models reveal how structural and material constituents influence fracture.
  • This approach complements experiments and enhances understanding of fracture risk.