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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

Article DOI: 10.3791/54942-v • 09:34 min • September 14th, 2017
September 14th, 2017 •
1, 1, 1,2, 1, 3, 4, 3, 3, 1,2
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

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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.

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Keywords: Femoral Surface Strain Digital Image Correlation Osteoporosis Research Bone Strength Specimen Preparation Bone Speckling High-speed Video Mechanical Testing Image Acquisition Lighting Adjustment
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