To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Related to Fig. S1G-I and 3. This movie illustrates the dynamics of 106 red blood cells (red) and of the walls (black) in the proposed computational model of the embryonic heart. Anisotropic shear stress patterns predict the orientation of convergent tissue movements in the embryonic heart Francesco Boselli, Emily Steed, Jonathan B. Freund, and Julien Vermot Development 2017. 144:4322-4327; doi: 10.1242/dev.152124 Download Original Video