Runs 10 feet9
May walk sideways independently for 10 feet, same foot leads9
Walks up 4 stairs independently using one or both feet for each stair9
Walks down stairs with assistance48
Genu varus angulation of tibio-femoral angle has resolved and lower limb is straight (14-22 months)82
Walks down stairs with assistance
Walks up 4 stairs independently using one or both feet for each stair
Runs 10 feet
Runs 10 feet