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The 3‐dimensional (3D) finite element model of the buttocks: (A) Resultant 3D model of the buttocks from the MRI scan, depicting the tissue layers. (B) Axial cross‐section of the mesh with an enlarged tilted view showing the elements distribution at the skin and fat tissue layers closest to the mattress. (C) A 3D isometric view of the model, demonstrating the interfaces and boundary condition relationships in the model
