found: Work cat.: Humphrey, N. Human hand-walkers, 2005:p. 1 (quadrupeds, walking and running on their feet and wrists; quadrupedal gait; wrist-walking different from the knuckle-walking of the great apes; quadrupedality; quadrupedalism; quadrupedal walking)
found: The times, Mar. 10, 2006:p. 4 (Life on four legs; Turkish siblings who walk on all fours; wrist-walking; quadrupedality)
found: Concise Oxford English dictionary, 2004(Quadruped. Quadrupedalism)
found: Web. 3(Quadrupedal)
found: Everything2 via WWW, Mar. 14, 2006(Quadrupedalism. A type of primate locomotion which involves both forelimbs and the hindlimbs, although not to an equal extent. Some quadrupeds are hindlimb dominated, while the forelimb and the hindlimb are equally important to others; several different kinds of quadrupedalism: Branch running and walking, Ground running and walking, Knuckle walking, New World semibrachiation, Old World semibrachiation)
found: Gregory, W.K. Notes on the principles of quadrupedal locomotion and of the mechanism of the limbs in hoofed animals, 1912.
