Walks Upstairs Alternating Feet

merged.physical_culture.walks_upstairs_alternating_feet

Movementmeasurable22mo–2.2y

Measured by 2 instruments· Cross-instrument confidence:

What this is

Ability to walk up stairs using alternating feet (one foot per step) rather than bringing both feet to each step

Instrument	Approach	Age range	Mapping confidence	Ref
ASQ-3 24mo Ages & Stages Questionnaires, Third Edition — 24 Month Questionnaire	Parent screening report Subscale: Gross Motor	22mo–2.2y		gross_motor_q3
ASQ-3 24mo Ages & Stages Questionnaires, Third Edition — 24 Month Questionnaire	Parent screening report Subscale: Gross Motor	22mo–2.2y		gross_motor_q4

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

Consensus window: 22mo–2.2y (all 2 instruments overlap).

Baseline: developmental_24mo_en_gbAge: 2yLocale: en-GBTone: mixed

“When you and {child_name} take the stairs together, does {he_she} want to go up and down {him_her}self?”

Follow-up: “Does {he_she} hold the banister or your hand, or manage two steps in a row without holding on?”

Not yet

Not climbing stairs yet — prefers being carried up

Emerging

Goes up and down on hands and knees, or one step at a time holding on tight

Developing

Walks up or down holding a hand or the wall, two feet on each step

Secure

Manages at least two stairs without needing to hold on

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

ASQ-3 24mo
Squires, J., Bricker, D. (2009). The development of the Ages and Stages Questionnaires
doi:10.1111/j.1365-2214.2009.00996.x