Effects of Different Loading Patterns on the Trabecular Bone Morphology of the Proximal Femur Using Adaptive Bone Remodeling

The results indicate that trabecular bone tissue material properties do not have a significant effect on the converged structure of trabecular bone

S. Mohammad Ali Banijamali

2014

Scholarcy highlights

  • Bone is a living tissue which undergoes continuous change
  • Since the majority of the loads exerted on the femur are in the anatomic direction, trabecular plates were mainly formed in that direction
  • The initial radius of the rods is set to 0.1 mm, which was changed during the remodeling process
  • The model allows for the formation of plates in the loading direction upon completion of simulations as observed in trabecular bones
  • As seen in this figure, for the cases of walking and stair climbing the creation of plates was mostly in the femoral head and trochanter region, and no trabecular plates were created in the neck
  • Comparing bone architecture for the three different loading scenarios indicated that the higher magnitude loads imposed by the abductors, attached to the greater trochanter, during stair climbing when compared to walking, resulted in higher densities in the center and even around the neck of femur
  • The proposed model shows a promising means to understand the effects of different individual loading patterns on the bone density

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