10.1371/journal.pcbi.1005862.g006 Masoud Nickaeen Masoud Nickaeen Igor L. Novak Igor L. Novak Stephanie Pulford Stephanie Pulford Aaron Rumack Aaron Rumack Jamie Brandon Jamie Brandon Boris M. Slepchenko Boris M. Slepchenko Alex Mogilner Alex Mogilner Onset of steady rotations in ZV model, (<i>v</i><sub>0</sub>, μ<sub>tot</sub>, α) = (12.5, 2π, 1). Public Library of Science 2017 boundary counters causes retraction constant-strength viscous-like adhesion lamellipodial boundary retraction shapes cell boundary dimensionless parameter combinations viscosity-adhesion length free-boundary model viscosity-adhesion lengths myosin-dependent contractility actin protrusion model analysis lamellipodial motility myosin transport equations myosin density centripetal actin flow model parameter space actin network actin-myosin contractility contraction protrusion cause Actin protrusion myosin redistribution contractile mechanism free-boundary models motile cell models account motile behavior 2017-11-14 18:47:26 Figure https://plos.figshare.com/articles/figure/Onset_of_steady_rotations_in_ZV_model_i_v_i_sub_0_sub_m_sub_tot_sub__12_5_2p_1_/5601343 <p>(<i>a</i>) Entire cell trajectory and cell centroid track (red dashed curve). (<i>b</i>) Snapshots of transient myosin distributions with individual color scales during a transient, and with white arrows representing actin velocities (<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005862#pcbi.1005862.s004" target="_blank">S3 Movie</a>).</p>