A few birds use quadrupedal movement in some circumstances.
2.
Ornithopods this basal were incapable of quadrupedal movement.
3.
Many people, especially practitioners of Parkour and Freerunning and Georges H�bert's Natural Method, find benefit in quadrupedal movements to build full body strength.
4.
Whether " Muttaburrasaurus " is capable of quadrupedal movement has been debated; it was originally thought to be an " Iguanodontid "; thought recent studies indicate a rhabdodont position.
5.
Based on the structure of the hind limbs and pelvic girdle of " Aardonyx ", the dinosaur normally moved bipedally but could drop to quadrupedal movement similar to " Iguanodon ".
6.
There is speculation that witnesses who say they have met a jinmenken have actually come across Japanese macaques, which accounts for the quadrupedal movement, dog-like fur, human face and the human-like noises the jinmenken can supposedly make.
7.
While the strongest leg muscles of " Poposaurus " are thought to drive the forward and backward motion of the leg necessary for bipedal movement, the strongest leg muscles of " Prestosuchus " were responsible for the rotation of the limb, which is an indication of quadrupedal movement.