Milestones (0-12 months)

Prone: two months

Hips more extended
Pelvis closer to surface

Prone: three months

Beginning of symmetry
Head and neck extension
Forearm weight bearing
Pelvis stays flat
Feet come together
Feet play

Prone: four months

Prone on forearms

Prone: five months

Prone on extended arms
Weight shift on forearms
Extension in prone with weight on belly
Rolls on back

Prone: six months

Weight shift forward on extended arms
Commando crawls

Prone: seven months

Preferred position
Pivots in circle
Crawls on belly
Transitions to quadruped
Rocks in this position

Prone: eight and nine months

Creeping is primary mean of locomotion

Supine: neonate (0-10 days)

Extremity flexion

Supine: one month

Head and neck flexion not increased

Supine: two months

Increased side head rotation
Possible ATNR

Supine: three months

Head more frequently in midline
UEs come to rest on chest
Hands come together
Increased asymmetry of LEs
Feet play

Supine: four months

Head mostly in midline
Brings arms together above body reaching hands to knee with flexion and adduction at hips

Supine: five months

Feet to mouth and feet to hands

Supine: six months

Lifts head with chin tucked
Transfers objects hand to hand
Lifts and maintains legs above body

Sitting: one month

Slightly more head and trunk extension

Sitting: two months

Head bobbing

Sitting: three months

Can sustain head elevation with shoulder elevation and chin forward

Sitting: four months

Leans forward at hips
Prop sits with pillow for support

Sitting: five months

Props or retracts hands into high guard position

Sitting: six months

Sitting with back straight
No UE support

Sitting: seven months

LEs abducted and externally rotated
UEs free to play

Sitting: eight months

Hips adducted and knees extended
Rotates and laterally weight shift without falling
Sidewards protective extension

Sitting: nine months

Variety of sitting positions: side sitting or w sitting

Sitting: ten months

UE fine motor activity

Sitting: eleven months

See variety of positions: long or side sitting
Good trunk equilibrium

Sitting: twelve months

Moves in and out of sitting with ease

Standing: three months

Knees stiffly extended

Standing: four months

Takes more weight

Standing: six months

Bears weight on both legs
Can independently hold onto support of a person
Bounces in standing

Standing: seven months

Relies on UEs for stability and control

Standing: eight months

Uses LEs more than UEs to maintain position
Cruises sideways

Standing: nine months

Cruises semi turned in direction they are headed

Standing: ten months

Cruises with body turned in direction they are headed
Lowers self to floor with UE support

Standing: eleven months

Attempts to move between objects just out of reach

Standing: twelve months

Able to weight shift and lift one leg

Pull to sit: six months

Independent PTS with examiners fingers
Rolls supine to prone

Kneeling: eight months

Beginning to assume independent from quadruped

Kneeling: nine months

Independent kneeling
Alternates between short and tall kneeling

Kneeling: ten months

Half kneeling used more efficiently

Kneeling: eleven months

Stays in half kneeling longer during transitions
May play in half kneeling

Kneeling: twelve months

Frequently used position

Transitions: seven months

Prone to quadruped or bear position
Quadruped to sitting
Quadruped to standing

Transitions: eight months

Sitting to quadruped
Quadruped to kneeling
Kneeling to half kneeling

Transitions: nine months

Sitting to quadruped with ease
Kneeling to half kneeling to standing

Transitions: ten months

Half kneeling used more efficiently

Transitions: eleven months

Rises to stand by actively extending LEs

Transitions: twelve months

Rises to stand using LEs only

Ambulation: nine months

Walking with two hands held

Ambulation: ten months

Walking with two hands held

Ambulation: eleven months

Walking with one or two hands held

Ambulation: twelve months

May attempt independent ambulation
May see high guard position