Pull up to sit
Red flag 4.5 mos
Roll over
6.5 mo
Red flag 5 mos
Sit without support
6 mo
Red flag 8 mos
Cruise/stand while holding on
Red flag 10 mos
Walk
12 mo
Red flag 15 mos
Climb up down stairs
Red flag 2 yo
Jump with both feet
Red flag 2.5 yo
Stand on one foot momentarily
Red flag 3 yo
Hop
Red flag 4 yo
WaLk straight line back and forth or balance on 1 foot 5-10 seconds
Red flag 5 yo
Head control (head steady while sitting but still with head lag)
2 mo
No head lag
3 mo
Bring hands together in midline
3 mo
Asymmetric tonic reflex gone
4 mo
Run
16-18 mo
Walk up stairs with one hand held
18 mo
Wide based gait
Range
12-18 mo
Run and climb stairs
Range
18-24 mo
Climbs furniture
24 mo