Millions of years of adaptive radiation among primates has created different locomotion as per their behaviour and environment
Napier and Napier 1967
Bipedalism. Humans. Long legs. Big toe is not possible. Double arch and erect posture.
Vertical clinging and leaping. Galagos. Tarsiers. Strong hind limbs for propulsion. Elongation of hind limbs.
True brachiation gibbons. Suspended and swinging movement very fast.
Modified brachiation. Orangutans. Slow movement and movement by hanging.
Quadrupedalism. Both fore limbs and Hind limbs used.
Knuckle walking Gorilla. Long arms long fingers and short thumbs point habitually bent knee.
Ground walking baboons
Branch running and walking marmosets. Aye Aye. Hind limbs and forelimbs almost equal. Use tail for balance.
Old world langoor. Elongated arms and swing beneath branches.
New world spider and howler monkeys. Prehensile tails
Slow climbing Loris. Big toe splayed out. Powerful grip.