Assertion: brittle star's arm | /r/CapableOf | push against the ground
Facets:
Source sentences:
text: If the reaction force assists with propulsion toward the desired moving direction, the arm pushes against the ground, i.e., a power stroke begins (Figure 3Dii).
text: If the reaction force assists with propulsion, the arm pushes against the ground, i.e. a power stroke begins (figure 5b).
text: (b) If the reaction force assists propulsion, the arm pushes against the ground.
text: Then, from (4.3) and (4.5), the target yaw and pitch joint angles of theth arm increase and decrease, respectively, causing theth arm to push against the ground and propelling the body in the direction of motion.