Date of download: 9/26/2017 Copyright © ASME. All rights reserved. From: Stress Analyses Coupled With Damage Laws to Determine Biomechanical Risk Factors for Deep Tissue Injury During Sitting J Biomech Eng. 2008;131(1):011003-011003-13. doi:10.1115/1.3005195 Figure Legend: The FE models: (a) Model geometries showing the different muscle atrophy levels (“reference,” 30%, 50%, and 70%) and IT radii of curvature (7mm, 10.75 (reference) mm, and 13mm) that were simulated herein. The MRI image used to build the reference model geometry is shown on the top left frame. (b) Example of a FE mesh and description of the boundary conditions (vertical sagging of the IT and contact conditions at the cushion).