Fact; from birth to 1 year a child’s lower limbs grow on average a massive 10cm, following this it grows on average a further 17cm until the age of 5.
6-8 months: Sits with support.
9 months: Stands holding on.
10 months: Pulls to standing.
12 months: Walks with assistance.
15 months: Walks unaided.
18 months: Runs.
2 years: Goes up and down stairs without assistance.
2.5 years: Jumps. Walks on tiptoes.
3 years: Stands on one foot (few seconds). Goes upstairs 1 foot per step, comes down 2 feet per step.
4 years: Hops. Goes up and down stairs like an adult. Heel and tiptoe walk.
5 years: Skips.
7 years: Balance on one foot for 20 seconds.