Lizard, Locomotion and limb adaptations

The majority of lizards are quadrupedal, with powerful limb musculature. They are capable of rapid acceleration and possess great ability to change direction of motion rapidly. The racerunners (Cnemidophorus) can attain speeds of 24 kilometres (15 miles) per hour, which, in terms of their own body length, puts them in a class with fast terrestrial mammals. A tendency toward