don't play them side by side you'll see my failure to capture the fluidity and more rhythmic interaction of the chest and hips
i think his rig has some spine IK solution to lock the chest in place and move the hips around independently.
something to investigate......

lots of study material in zootopia 2

go my creature

7 11 run in the Birkensocks happy saturday people

and a revision. small timing tweaks can have a big difference ⏱️