Template models for simulation of surface manipulation of musculoskeletal extremities

Sean Doherty, Ben Landis, Tammy M Owings and Ahmet Erdemir

PLOS ONE, 2022, vol. 17, issue 8, 1-15

Abstract: Capturing the surface mechanics of musculoskeletal extremities would enhance the realism of life-like mechanics imposed on the limbs within surgical simulations haptics. Other fields that rely on surface manipulation, such as garment or prosthetic design, would also benefit from characterization of tissue surface mechanics. Eight homogeneous tissue models were developed for the upper and lower legs and arms of two donors. Ultrasound indentation data was used to drive an inverse finite element analysis for individualized determination of region-specific material coefficients for the lumped tissue. A novel calibration strategy was implemented by using a ratio based adjustment of tissue properties from linear regression of model predicted and experimental responses. This strategy reduced requirement of simulations to an average of under four iterations. These free and open-source specimen-specific models can serve as templates for simulations focused on mechanical manipulations of limb surfaces.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0272051

DOI: 10.1371/journal.pone.0272051

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