FIGURE 6. Fiber and Sheet Orientations.
A model synthesizing fiber and sheet data from anterior and lateral equatorial regions of the heart. The illustration on the left represent sheets at 20, 50, and 80% wall depth from the epicardium. Black lines on the surface of the sheets represent measured fiber angles (α) qualitatively, with negative α values near the epicardium, 0° at midwall, and positive α values near the epicardium. Left margins of the sheets represent data from the anterior wall, with sheets belonging to the - family at 20%, to the + family at 50%, and to the - family at 80% wall depth. Right region of the sheets represent data from the lateral region, with sheets belonging to the + family at 20%, to the - family at 50%, and to the + family at 80% wall depth from the epicardium.