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Related Concept Videos

Ankle Joint01:10

Ankle Joint

1.8K
The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Related Experiment Video

Updated: Sep 11, 2025

Method and Instrumented Fixture for Femoral Fracture Testing in a Sideways Fall-on-the-Hip Position
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Talus Fracture - a Pathomechanical Study Using Finite Element Analysis.

Mongkol Kaewbumrung1, Chayanin Angthong2, Prasit Rajbhandari3

  • 1Faculty of Engineering and Architecture, Rajamangala University of Technology Suvarnabhumi, Phra Nakhon Si Ayutthaya, Thailand.

Ortopedia, Traumatologia, Rehabilitacja
|August 18, 2025
PubMed
Summary
This summary is machine-generated.

The talus bone’s neck is most vulnerable to fracture from axial forces, particularly at a 15-degree angle. This finite element analysis highlights the importance of safety measures during high-risk activities.

Keywords:
fracturein silico analysistalus

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Area of Science:

  • Biomechanics
  • Orthopedic research
  • Finite Element Analysis (FEA)

Background:

  • The talus bone is crucial for load transfer in the human body.
  • Talar fractures present complex treatment challenges and potential complications.
  • Understanding talar biomechanics is essential for injury prevention.

Purpose of the Study:

  • To simulate the talus bone using real-world data.
  • To analyze the biomechanical responses to forces causing fractures.
  • To identify critical areas and force angles leading to talar fractures.

Main Methods:

  • A 3D finite element analysis (FEA) model of the talus was created.
  • Elastic modulus values were assigned based on previous research.
  • Simulations involved varying force directions (positive and negative) and angles (0°, 15°, 30°, 45°).

Main Results:

  • The talar neck showed the highest total deformation, indicating a high risk of crack initiation.
  • Increased force in the positive direction heightened the likelihood of talar fracture.
  • Maximum equivalent stress (von Mises stress) was observed at a 15° force angle, specifically in the posterosuperior to anteroinferior direction.

Conclusions:

  • The talar neck is the most susceptible area to fracture under axial force simulation.
  • A 15° force direction significantly increases fracture risk.
  • Implementing safety measures is recommended for activities involving axial force injuries to the talus.