no, that is not OK, you may need to take him/her to a physician and make sure the feet are NOT flat, otherwise specially made shoes with insoles are in order to build the arches.
man-who crawls on all 4 as an baby then walk on both as in adult and walk with an cane in old age...
should a 6 year old walk on a roof
the races for three year old in flat racing are referred to as a derby
yes
Well, a 10 year old should not have to worry about a flat stomach, but I guess just playing and having fun like any other 10 year old should.
Yes a 10 year old person can dog walk with a guardian or someone behind He/She.
It depends on. It seems baby can walk when he is until below 1year old, but someone can't walk until passing the 1 year old. In a word, All are around 1 year old or so.
learn to walk
walk
Yes
mow lawns or walk dogs
it depends they can walk when they are a year old before the first birthday possibly when they are 4