…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!
Humans(in the wild) would typically pass on their genes long before back issues tend to crop up