| Landmark | Age when achieved |
|---|---|
| squat without support | 95% of 1 year olds |
| floor to stand | 90% of 1 year olds |
| running | 30% of 1 year olds 78% of 1 1/2 year olds 97% of 2 year olds (Most children attempt running 2 to 6 months after achieving independent gait) |
| toe walking | 15%(1) 65%(1 1/2) 90%(2) all by 2 1/2 |
| heel walking | 10%(2) 60%(2 1/2) 80%(3) all by 4 |
| 1-leg balance | 95% by 3 but seldom before 2 1/2 median times: 4 sec at 3 yrs 8 sec at 4 yrs 15 sec at 5 20 sec at 6 30 sec at 7 |
| 1-leg hop for 10 feet | 23%(3) 85%(4) 92%(5) all by 6 |
| 4 in. balance beam | 20%(4) 80% (5) all by 6 |