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A Method to Estimate Cadaveric Femur Cortical Strains During Fracture Testing Using Digital Image Correlation
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Bioengineering
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JoVE Journal Bioengineering
A Method to Estimate Cadaveric Femur Cortical Strains During Fracture Testing Using Digital Image Correlation

A Method to Estimate Cadaveric Femur Cortical Strains During Fracture Testing Using Digital Image Correlation

DOI:
10.3791/54942-v

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09:34 min

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September 14, 2017

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, , , , , , , ,
1Division of Engineering,Mayo Clinic, 2Department of Physiology and Biomedical Engineering,Mayo Clinic, 3Department of Orthopedic Surgery,Mayo Clinic, 4Department of Mechanical Science and Engineering,University of Illinois at Urbana-Champaign

Chapters

  • 00:05Title
  • 01:02Specimen Preparation and Speckling
  • 02:23Image Acquisition and Preparation
  • 04:15Finite Element Mesh Creation and Analysis
  • 07:14Results: Identification of Strain Field Estimation in Femur Sample
  • 08:16Conclusion

Summary

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In this protocol, the femur surface strains are estimated during fracture testing using the digital image correlation technique. The novelty of the method involves application of a high-contrast stochastic speckle pattern on the femur surface, carefully specified illumination, high speed video capture, and digital image correlation analysis for strain calculations.

Tags

Femoral Surface StrainDigital Image CorrelationOsteoporosis ResearchBone StrengthSpecimen PreparationBone SpecklingHigh-speed VideoMechanical TestingImage AcquisitionLighting Adjustment

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