Quadrupedalism

VIDEO: A robot that runs like a cat
Mitsubishi Heavy Industries reveals nuclear plant inspection robot MHI-MEISTeR
Toshiba unveils four-legged nuclear plant inspection robot
DARPA releases video of new-and-improved LS3 quadruped robots
HyQ – robotic Lipizzaner does more than just prance
Quadruped CHEETAH robot to outrun any human