Controlled Head Lowering in Prone

merged.physical_culture.controlled_head_lowering_prone

Movementmeasurable3mo–5mo
Measured by 1 instrument· Cross-instrument confidence:

What this is

Baby lowers head back down to floor in controlled manner rather than letting it drop when in prone position

Who measures this

InstrumentApproachAge rangeMapping confidenceRef
Bayley-4
Bayley Scales of Infant and Toddler Development, Fourth Edition
Clinician observation (developmental)
Subscale: Gross Motor
1mo–3.5y
gross_motor.head_control

“Approach” describes how the instrument assesses this construct, not the specific items. We never reproduce proprietary test items.

Age coverage

Bayley-41mo–3.5y012243648months
Consensus window: 1mo–3.5y (all 1 instruments overlap).

Our voice baseline item

Voice baseline item not yet authored for this construct.

Connected milestone view

The same canonical item shows up on the developmental page with prerequisites, activities, and full developmental context.

View as developmental milestone

Activities that develop this

Instruments referenced