Gross Motor Delay
Early Signs of Gross Motor Delay in a 9-to-12-Month-Old
Between 9 and 12 months, watch for a baby not sitting unsupported by around 9 months, no way of moving across the floor (crawling, rolling, shuffling), not bearing weight on the legs, not pulling to stand by 12 months, a persistently floppy or stiff body, strong one-sided preference, or loss of a skill. These are signs to observe and discuss with a professional, not to diagnose at home.
Every baby pulls up, crawls and cruises on their own timeline — so how do you know when a little extra support might help?
In short
Between 9 and 12 months, most babies are sitting steadily without support, getting in and out of sitting, crawling or shuffling, pulling up to stand at furniture, and beginning to cruise sideways along it. Early signs of gross motor delay include not yet sitting unsupported by around 9 months, not bearing weight on the legs when held, not attempting to crawl or move across the floor, and a body that feels persistently floppy or very stiff. These are signs to observe and discuss gently with a professional — not to diagnose at home.Early signs to watch (9–12 months)
Sitting and trunk control- Not sitting without support by around 9 months, or toppling often with little saving response
- Needing to be propped, or rounding heavily through the back when seated
Moving across the floor
- No attempt to crawl, commando-crawl, roll or bottom-shuffle to reach a toy just out of reach
- Rolling only one way, or not rolling at all
Standing and weight-bearing
- Not taking weight on the legs when held in standing, or legs that cross/scissor stiffly
- Not pulling up to stand at furniture by around 12 months
Muscle tone and movement quality
- A body that feels consistently floppy (low tone) or very tight/stiff (high tone)
- Strong, persistent preference for using only one hand or one side of the body
- Loss of a skill the baby could previously do — this always deserves a prompt check
What matters most is the overall pattern and whether your baby is steadily adding new skills, rather than any single milestone hit on an exact date. Babies born preterm should be tracked by their corrected age.
When to seek a check
Milestones vary, and many babies who are a little behind catch up beautifully. Consider a developmental check if your baby is not sitting independently by around 9 months, shows no way of moving across the floor, does not bear weight on the legs, feels notably floppy or stiff, strongly favours one side, or has lost a skill. Early movement support is gentle, play-based and often most effective when started early — so checking sooner brings reassurance either way.The Pinnacle way
At [Pinnacle Blooms Network](/), we start by watching how your baby moves, plays and explores — then build playful, parent-led activities that strengthen the trunk, legs and balance. Support such as physiotherapy and movement-focused therapy helps your little one find their next milestone at their own pace. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care; nothing here is a diagnosis. You can learn more about gross motor delay and how support works. Across 70+ centres in 4 states and 4.95 lakh+ families served, our aim is steady, strengths-first progress.Trusted sources
Aligned with the developmental milestone guidance of the US Centers for Disease Control and Prevention and HealthyChildren.org, and with World Health Organization motor development milestone research. These describe typical ranges, not rigid deadlines.Next step — if any of these signs sound familiar, book a developmental screen with our clinical team on WhatsApp at +91 91001 81181, and let's understand your baby's movement together.
This is general information, not a diagnosis — a clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care.
What to watch
Watch if your baby is not sitting unsupported by around 9 months, has no way of moving across the floor, does not take weight on the legs, isn't pulling to stand by 12 months, feels persistently floppy or stiff, strongly favours one side, or has lost a skill they once had.
Try this at home
Make floor play the highlight of the day. Place a favourite toy just out of reach to invite reaching and shuffling, and offer short, supported standing at a low sofa so your baby practises weight-bearing through play.
Trusted sources
Developed by SETU Consortium · Pinnacle Blooms Network · Last reviewed 2026-06-10 · reviewed every 365 days
This is general information, not a diagnosis. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care.
Frequently asked
My 10-month-old isn't crawling yet — should I worry?
Not necessarily. Some babies skip crawling and move on to bottom-shuffling or pulling to stand, and many are simply taking their time. What matters is that your baby has some way of moving to reach things and is steadily adding new skills. If there's no method of moving across the floor and your baby isn't bearing weight on the legs, a gentle developmental check brings reassurance.
My baby was born preterm. How does that affect milestones?
Track preterm babies using their corrected age — that is, age from the original due date rather than the birth date — for at least the first two years. A baby born two months early may reach milestones around two months later than calendar age suggests, which is expected and not a delay.
What is the difference between a floppy and a stiff body?
Low tone (floppy) means muscles feel loose and a baby may slip through your hands or struggle to hold posture. High tone (stiff) means muscles feel tight, legs may cross or scissor, and movement looks rigid. Either pattern, when persistent, is worth showing to a clinician who can guide gentle support.