All the babies/toddlers I've seen (my own kids included) naturally do that "asian/slav squat" - for example to pick up toys from the ground, or when they want t

All the babies/toddlers I've seen (my own kids included) naturally do that "asian/slav squat" - for example to pick up toys from the ground, or when they want to rest a bit without completely sitting, right? So at which point/age do some of us stop doing that type of squat before "use it or lose it" kicks in?