The cat that's world renowned for lightning speed has long legs,loose hip and shoulder joints,and a flexible spine,it is trying to prey an entelope.You can see the cheetah's spine flexing and compressing and these long legs stretching out,making the most out of that impressive stride.
Every detail of its physiology,became fine tuned for pace,long muscular legs,a slender body,and a small head made it aerodynamic.Unlike most other cats,the cheetah doesn't retract its claws,using them instead like built-in running spikes.