part of ameboidal-type cell migration substrate-dependent cell migration substrate-dependent cell migration, cell contraction GO:0006932 substrate-bound cell migration, cell contraction biological_process The translocation of the cell body forward during cell migration, mediated by tractional force on its substrate and tension in the cortical cytoskeleton. Adhesions transmit propulsive forces and serve as traction points over which the cell moves. cytoplasmic actin-based contraction involved in cell motility