MilestoneMovement· 5mo–8mo

Roll Back to Tummy

Baby rolls from back to tummy, getting both arms out from under body

Medium (60%)
Connected0 related · 3 prereq

What the research says

Referenced across 1 developmental framework: asq_3

Full quotes, source languages, and document links coming soon as we finish the source-evidence indexing pass.

Before this (3)

Required

Helpful (1)

How it's taught

asq_3

Observe during floor play; may place toy to side to encourage rolling

Materials: Safe floor surface, toys

What mastery looks like

Not yet

Does not roll from back to tummy

  • No rolling
  • May roll to side only
Emerging

Occasionally rolls but may get arm stuck

  • Partial roll
  • Arm trapped under body
Developing

Sometimes rolls from back to tummy with both arms free

  • Rolls about half the time
  • Gets arms out eventually
Secure

Regularly rolls from back to tummy with both arms out

  • Consistent rolling
  • Smooth movement
  • Both arms free
Reflexive

Rolls easily and may use rolling for mobility

  • Effortless rolling
  • Rolls to reach toys
  • Controlled movement

Activities for this (6)

social6mo–12mo

Gentle roughhousing

Playful physical engagement — gentle tosses, tummy tickles, side-to-side swoops. The agent coaches the parent to read baby's cues for 'more' and 'pause,' treating roughhousing as a dialogue of trust rather than stimulation for its own sake. Observations track baby's joy signals and the parent's attunement to pause cues.

Movement4mo–8mo

Tummy Time Treasure Hunt

A playful tummy time activity where your baby practices reaching for colorful, safe objects to build intentional grasping skills.

Movement4mo–8mo

Tummy Time Roll-a-Roo

A playful tummy time activity that encourages rolling from tummy to back using gentle movements and engaging toys.

Movement7mo–9mo

Rolling and Reaching in Tummy Time

Parent uses a small pillow or towel to create an incline that encourages baby to roll from tummy to back while reaching for a toy. The agent coaches the parent to observe rolling mechanics, body rotation, and reaching motivation — building core strength and bilateral coordination.

social7mo–9mo

Tummy Time Bubbles

Parent blows bubbles while baby is on tummy time outdoors, creating a joyful distraction that makes tummy time more enjoyable. The agent coaches the parent to observe visual tracking, reaching attempts, and social engagement as baby interacts with the floating bubbles — building physical strength and outdoor exploration.

Movement7mo–9mo

Head Control Sound Chase

Parent places baby on tummy and uses a rattle to encourage head turning and lifting. The agent coaches the parent to observe head control, sound localization, and upper body strength as baby searches for the sound source in different directions.

Formal assessments

No matching assessment items indexed yet.