Balance is heavily trained with heavy weights as well because now, not only do you have to move and balance yourself, you need to do it with a heavy weight on y

Balance is heavily trained with heavy weights as well because now, not only do you have to move and balance yourself, you need to do it with a heavy weight on your back for example. It's hard to compare the two though because one might day that, in old age, being able to do a handstand is less important than being able to haul groceries along uneven terrain standing up.