Left: contact centroid of ISCAA estimation and (a) MRI-based and (b) DSX-based FE model predictions for left, meniscectomized knee plotted on FE tibial cartilage. Right: contact centroid of ISCAA estimation and (c) MRI-based position and (d) DSX-based position FE model predictions for right, healthy knee plotted on FE tibial cartilage. M = Medial, L = Lateral, A = Anterior, P = Posterior.