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Hinge flow fields along four different planes within the hinge recess at peak systole and mid-diastole. The four planes depicted are: flat level, 195, 390, and 585 μm within the hinge recess. Two-dimensional in-plane velocity vectors are presented. The contours are representative of the out-of-plane velocity component, blue indicating inward flow (going inside the hinge recess) and red outward flow (going out of the hinge recess)
