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Physical

Physical development refers to height, weight, motor skills, and more. Whether you have questions about your baby's primitive reflexes or your toddler's latest growth spurt, we've got you covered.

Baby on the floor working on rolling over
Development

Updated 01/06/26

When do babies roll over? A timeline and development guide

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by Emily Rodheim, MS, OTR/LOccupational Therapist
Baby doing tummy time
Development

Updated 01/02/26

Tummy time chart and positions by age: How much, when, and how to do it

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by Emily Rodheim, MS, OTR/LOccupational Therapist
Baby doing floor time play
Development

Updated 01/02/26

Floor time for babies: Why it matters and when to start

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by Emily Rodheim, MS, OTR/LOccupational Therapist
Baby doing tummy time with dad
Development

Updated 01/02/26

Tummy time for babies: When, how, and why it matters

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by Emily Rodheim, MS, OTR/LOccupational Therapist
Children participating in class yoga.
Development

Updated 08/13/25

Yoga poses to calm kids down

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by Liz Harden, MPHPediatric sleep consultant
A baby starting to walk with his mother in the background.
Development

Updated 12/29/25

When your baby starts walking: 6 tips to encourage walking

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by Gemma Coe, BSc (hons) Nursing, PGCE, MPHPediatric Sleep Consultant
A baby with a pacifier.
Development

Updated 08/14/25

How to wean your child from the pacifier

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by Gemma Coe, BSc (hons) Nursing, PGCE, MPHPediatric Sleep Consultant
A baby sitting up.
Development

Updated 12/29/25

Babies and sitting: When do babies sit up

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by Amy Bassett, BA, CLC, ALC, IBCLC, RLCPediatric Sleep Consultant & Lactation Consultant
A baby crawling on a turquoise rug.
Development

Updated 12/29/25

When do babies start crawling: 6 tips to encourage crawling

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by Beth Christensen, DPTPediatric Sleep Consultant & Physical Therapist
Development

Updated 08/14/25

How to childproof your home

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by Amber LoReDirector of Pediatric Expertise
A baby girl is using a pacifier.
Development

Updated 01/02/26

When to introduce a pacifier: Can babies sleep with pacifiers?

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by Amy Bassett, BA, CLC, ALC, IBCLC, RLCPediatric Sleep Consultant & Lactation Consultant
News

Updated 08/14/25

Now introducing activities tracking for the Huckleberry app

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by Huckleberry TeamNews and updates