Visually tracks a moving toy from side to side

Attempts to reach for a rattle held above their chest

Keeps head in the middle when watching faces or 

Typical Motor Skill Development (While lying on their stomach)

Difficulty lifting head

Pushes back with head

 Reaches for a nearby toy while on their stomach

Uses hands for support in sitting

While standing with support, accepts entire weight with legs

Rounded back

Poor head control

Arches back and stiffens legs

Arms held back

9 Months

 Typical Play Development 

 Typical Motor Skill Development

Moves from tummy to back into sitting

Creeps on hands and knees with alternate arm and leg movement

Uses one hand predominately

Poor use of arms in sitting

Uses only one side of body to move

Cannot take weight on legs

Meaningfully uses “mama” or “dada”

 Pulls to stand and cruises along furniture

 Stands alone and takes several independent steps

Difficulty getting to stand because of stiff legs and pointed toes

Only uses arms to pull up to standing

Strongly flexed or stiffly extended arms

Needs to use hand to maintain sitting

Increases variety of coarsely chopped table foods

Holds and drinks from a cup

Walks independently and seldom falls

Squats to pick up a toy

Unable to take steps independently

Poor standing balance, falls frequently