…that if they ever use in even a slightly wrong way can end up leaving them with debilitating pain for the rest of their lives.
Really bad design flaw, wtf NATURE!
…that if they ever use in even a slightly wrong way can end up leaving them with debilitating pain for the rest of their lives.
Really bad design flaw, wtf NATURE!
Mammals already have very archaic spine construction (looking at you, intervertebral discs), and humans use it in ways it was not designed to be used with the inevitable results.