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Animals, Bodies , and Brains: gangnamstiet derpalecki why do we have butt cheeks i dont understand why did we evolve this way what use do butt cheeks have oh my god I HAVE THIS KNOWLEDGE fun fact but-cheeks are one of the things that make us superior to other animals okay note that other apes do not have butl-cheeks okay dont quote me on this because I only did sixthform-bio and I'm sure of forgotten loads of stuff but here's the down-low back when we were evolving from ape to human, one of the most important things that happened was when our spine started meeting our brains at a sort of 90 degree angle instead of like 45 degrees, which meant that we could straighten up and walk on two egs which was a pretty rad development except alas oh no our muscles weren't built to allow us to walk around on two legs because that requires a sort of twisty motion of your hips as opposed to whatever the fuck it is everything else does AND SO ape-people started evolving with longer, narrower waists so that our bodies could twist with every footstep and we could strut along the fashionable catwalk that is neanderthal evolution but then once this had happened, people realised that we had an advantage over other animals and we would be better at chasing and kiling them but we weren't very good at running so that's when we developed the glutenus maximus which is a really badass-sounding name for the muscle in your demere which helps us to support our spine in an upright position so we don't get ired, and helps the legs to rotate nicely so that we can run, and has a nice big fat storage around it to help us get energy so that we can run and that, basically, is the butt-cheek dr butt-cheeks were the result of thousands of years of natural selection so that we could run fast and slaughter things thank you so much for such a fabulous, informative and detailed explanation on the evolution of the butt i feel enlightened and empowered to know my butt is for such a worthwhile purpose, so thank you i love this butt science post so much