Assertion: brittle star's arm | /r/CapableOf | orient the direction of movement
Facets:
Source sentences:
text: When three arms were removed so that no adjacent arms remained, the arm orienting the direction of movement swung to both left and right to pull the body forward, while the other remaining arm took a minimal role in propulsion (figure 1d(F)).
text: Further, we observed that the locomotion velocity of the robot does not decrease significantly except in configurations F and G, where only the arm oriented towards the direction of motion can strike the ground (figures 3a and 8c).