It’s not very true. Our bodies work fine for a good long time. It may be the cause of some of the problems we get as we age though
Incidentally I have heard (no idea whether it was folk stories or science) that kids who don’t crawl (some roll and drag themselves and learn to walk very early) get bad backs young
Most of the great apes are more or less upright much of the time
![Injuries at different ages [Extra Fabulous Comics]](https://lemmy.world/pictrs/image/0b35673a-88b1-4229-abb3-1d5e39023add.jpeg){kind=link}
It’s not very true. Our bodies work fine for a good long time. It may be the cause of some of the problems we get as we age though
Incidentally I have heard (no idea whether it was folk stories or science) that kids who don’t crawl (some roll and drag themselves and learn to walk very early) get bad backs young
Most of the great apes are more or less upright much of the time