A study by the American Council on Exercise (ACE) conducted in 2006 showed that a simple bodyweight quadruped hip extension activated more gluteus maximus and medius muscle than a max squat. (fitoverfat.com)
This robot is the fastest in its category, namely in normalized speed for small quadruped robots under 30Kg. (sciencedaily.com)
It goes on to say under the entry for «rhinoceros» that: «a genus of quadrupeds of two species, one of which, the unicorn, has a single horn growing almost erect from the nose. (religion.blogs.cnn.com)