Milestones
Domains of GMD
Red Flags
Clinical Observation
Clinical Interview
100

Around what age should most infants sit independently with stable trunk control?
A. 3–4 months, coinciding with early head-control onset
B. 5–6 months, coinciding with prop-sitting
C. 6–8 months, following segmental trunk control maturation
D. 9–10 months, concurrent with early pull-to-stand behavior

6–8 months

100

Postural control primarily involves:A. Visual-spatial integration and ocular pursuit accuracy
B. Trunk and proximal muscle stabilization integrated with vestibular input
C. Distal fine-motor coordination of the hands
D. Speech-motor planning and articulatory precisi

Head, trunk, and balance control

100

A concerning red flag by ~9 months is:
A. Not rolling both ways
B. Not sitting independently
C. Not pulling to stand
D. Not cruising

Not sitting independently

100

Which is MOST informative when observing transitions?
A. Time of day only
B. Quality and symmetry of movement between positions
C. Favorite toy color
D. Shoe size

Quality and symmetry of movement between positions

100

Which caregiver question BEST elicits milestone timing?
A. What is the child's favorite snack?
B. When did your child roll, sit, and walk?
C. How many siblings are there?
D. Do you own a stroller?

When did your child roll, sit, and walk?

200

Which sequence best reflects typical locomotion progression in the first year?
A. Walking → Pull to stand → Crawling
B. Rolling → Sitting → Crawling/Pull to stand
C. Sitting → Rolling → Walking
D. Standing unaided → Cruising → Crawling

Rolling → Sitting → Crawling/Pull to stand

200

Which is NOT a typical gross motor domain?
A. Locomotor skill acquisition
B. Manipulative object control
C. Bilateral integration of upper extremities
D. Phonological segmentation processing

Phonological processing

200

By 18 months, which finding is a red flag?
A. Walking independently
B. Not yet walking independently
C. Running with falls
D. Walking up steps with support

Not yet walking independently

200

Dynamic balance is observed during:
A. Sustained standing only
B. Walking/running/uneven surfaces
C. Sitting with support
D. Sleeping

Walking/running/uneven surfaces

200

Family history is MOST relevant when asking about:
A. Neuromuscular or developmental disorders
B. Favorite TV shows
C. Bedtime routines only
D. Pet ownership

Neuromuscular or developmental disorders

300

By 10–12 months, which skill is MOST expected?
A. Pedaling a tricycle
B. Standing without support
C. Skipping
D. Throwing with accuracy

Standing without support

300

Motor planning refers to:
A. Muscle strength only
B. Sequencing and executing movement actions
C. Reflex testing
D. Visual acuity

Sequencing and executing movement actions

300

Which is MOST concerning at any age?
A. Prefers outdoor play
B. Loss of previously acquired motor skills
C. Occasional tripping on uneven ground
D. Fatigue after long play

Loss of previously acquired motor skills

300

Which pattern may signal a subtle (yellow) concern?
A. Brief stumble on a curb
B. Frequent falls compared to peers after age 3
C. Energetic running at the park
D. Prefers climbing

Frequent falls compared to peers after age 3

300

Which question screens for regression?
A. Does your child enjoy playgrounds?
B. Has your child lost any previously acquired skills?
C. How many playdates per week?
D. Do they nap once or twice?

Has your child lost any previously acquired skills?

400

Typical for 2–3 years is:
A. Balances on one foot for 10 seconds
B. Runs with mature pattern
C. Jumps with both feet and throws overhead
D. Skips with alternating feet

Jumps with both feet and throws overhead

400

Dynamic balance is BEST assessed by which activity?
A. Standing still with feet together
B. Walking on a line or uneven surface
C. Sitting with support
D. Tracking a moving object

Walking on a line or uneven surface

400

Early hand preference before 18 months suggests:
A. Typical lateralization
B. Possible hemiparesis/asymmetry concern
C. Superior fine motor skills
D. No clinical relevance

Possible hemiparesis/asymmetry concern

400

Which BEST reflects abnormal movement quality?
A. Smooth reciprocal crawl
B. Marked asymmetry or stiffness with poor trunk control
C. Playful variability
D. Quick transitions with control

Marked asymmetry or stiffness with poor trunk control

400

A good functional performance probe is:
A. What color is the swing?
B. How do they manage stairs or uneven surfaces?
C. What is their favorite sport team?
D. Do they like cartoons?

How do they manage stairs or uneven surfaces?

500

A 4–5-year-old most typically can:
A. Pull to stand only
B. Hop and begin skipping; balance on one foot ~10 s
C. Crawl reciprocally
D. Stand with support only

Hop and begin skipping; balance on one foot ~10 s

500

Manipulative gross motor skills include ALL EXCEPT:
A. Throwing
B. Catching
C. Kicking
D. Buttoning

Buttoning

500

Persistent hypertonia or hypotonia is best categorized as:
A. Normal variance
B. Tone abnormality — red flag
C. Yellow flag only
D. Behavioral issue

Tone abnormality — red flag

500

A child who bottom-shuffles instead of crawling MOST likely indicates:
A. Normal variant but monitor (yellow flag)
B. Immediate emergency
C. Advanced motor planning
D. No need to observe further

Normal variant but monitor (yellow flag)

500

A fatigue-related probe MOST aligned with gross motor is:
A. Do they tire easily during active play?
B. How many books do they read?
C. Do they prefer puzzles?
D. Do they like drawing?

Do they tire easily during active play?

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