by 3 months
Raises head and chest when lying on stomach
Supports upper body with arms when lying on stomach
Stretches legs out and kicks when lying on stomach or back
Pushes down on legs when feet are placed on a firm surface
by 7 months
Rolls both ways (front to back, back to front)
Sits with, and then without, support on hands
Supports whole weight on legs
by 12 months
Reaches in sitting position without assistance
Crawls forward on belly
Assumes hands-and-knees position
Creeps on hands and knees
Gets from sitting to crawling or prone (lying on stomach) position
Pulls self up to stand
Walks holding on to furniture
Stands momentarily without support
May walk two or three steps without support
by 24 months
Walks alone
Pulls toys behind her while walking
Carries large toy or several toys while walking
Begins to run
Stands on tiptoe
Kicks a ball
Climbs onto and down from furniture unassisted
Walks up and down stairs holding on to support
by 36 months
Climbs well
Walks up and down stairs, alternating feet (one foot per stair step)
Kicks ball
Runs easily
Pedals tricycle
Bends over easily without falling
by 48 months
Hops and stands on one foot up to five seconds
Goes upstairs and downstairs without support
Kicks ball forward
Throws ball overhand
Catches bounced ball most of the time
Moves forward and backward with agility
by 60 months
Stands on one foot for 10 seconds or longer
Hops, somersaults
Swings, climbs
May be able to skip
