Baby Not Rolling Over at 6 Months

What's normal, when to worry, and what you can do to help.

Key takeaways

  • Most babies roll tummy-to-back by 4-5 months and back-to-tummy by 5-6 months
  • The CDC lists not rolling in either direction by 6 months as a developmental concern
  • Limited tummy time and excessive container use are common modifiable causes
  • Low muscle tone, torticollis, or asymmetry may also delay rolling
  • Talk to your pediatrician if your baby is not rolling at all by 6 months
  • Most babies who are late rollers catch up with increased floor time and practice

Content reviewed against published CDC, AAP guidelines

Last reviewed: July 2026 · Editorial policy

Last reviewed:

What is normal?

Rolling is one of the first major gross motor milestones. According to the CDC's 2022 milestone checklist, most babies:

  • Roll from tummy to back by 4-5 months
  • Roll from back to tummy by 5-6 months
  • Roll in both directions by 6 months

Some babies roll early (as young as 3 months), while others take until closer to 7 months. However, the CDC considers not rolling in either direction by 6 months a sign that warrants discussion with your pediatrician.

When to worry

Talk to your pediatrician if your 6-month-old:

  • Has not rolled in either direction (tummy to back or back to tummy)
  • Seems very stiff with tight muscles, or very floppy like a rag doll
  • Always rolls or turns to only one side
  • Cannot hold their head steady when pulled to sitting
  • Does not push up on arms during tummy time

These signs suggest there may be an underlying issue — such as low muscle tone, torticollis, or a neurological concern — that could benefit from evaluation.

Possible causes

  • Limited tummy time: Babies need supervised floor time to build the core and upper body strength needed for rolling
  • Excessive container time: Too much time in swings, bouncers, and car seats limits opportunities to practice
  • Low muscle tone (hypotonia): Babies with low tone may need extra support to develop rolling skills
  • Torticollis: Tightness in neck muscles can make rolling to one side difficult
  • Prematurity: Premature babies should be assessed using adjusted age
  • Larger body size: Heavier babies sometimes take slightly longer to roll
  • Temperament: Some cautious babies prefer stability and are reluctant to initiate rolling

What you can do

  • Increase supervised tummy time to at least 30-60 minutes total per day (in shorter sessions)
  • Minimize time in containers (swings, bouncers, car seats when not traveling)
  • Place toys slightly to the side during tummy time to encourage reaching and weight-shifting
  • Gently guide your baby through the rolling motion so they feel the movement
  • Try placing your baby on their side with a rolled towel for support — this halfway position can help them learn the movement
  • Make tummy time enjoyable by getting down at their level and engaging face-to-face

When to get evaluated

If your baby is not rolling at all by 6 months, schedule a visit with your pediatrician. They may:

  • Assess muscle tone and strength
  • Check for torticollis or asymmetry
  • Evaluate overall developmental progress
  • Refer to physical therapy if needed
  • Refer to early intervention for a comprehensive evaluation

You can also contact your state's early intervention program directly — no referral is needed.

Reassurance

Many babies who are not rolling at 6 months catch up within a few weeks once given more floor time and practice opportunities. Rolling is a skill that requires core strength, coordination, and confidence — all of which improve with practice.

If there is an underlying issue like low tone or torticollis, physical therapy is highly effective and most babies respond well to early intervention.

Frequently asked questions

When do most babies start rolling over?
Most babies roll from tummy to back between 4-5 months and from back to tummy by 5-6 months. The CDC lists rolling in both directions as a milestone by 6 months.
Should I worry if my 6-month-old is not rolling?
Not rolling at all by 6 months is listed as a CDC red flag that warrants a conversation with your pediatrician. However, some babies who get limited tummy time may be slightly delayed but catch up quickly once given more practice opportunities.
Can too much time in a bouncer delay rolling?
Yes. Excessive time in bouncers, swings, and containers limits the floor time babies need to develop rolling skills. The AAP recommends supervised tummy time starting from day one and increasing daily floor time as the baby grows.
Does my baby need physical therapy for not rolling?
Not necessarily. Your pediatrician will assess whether there are underlying concerns (like low muscle tone or asymmetry) that would benefit from physical therapy, or whether increased tummy time and practice opportunities are sufficient.

Bottom line

Not rolling at 6 months is a CDC-listed concern that warrants a conversation with your pediatrician. In many cases, increased tummy time and floor play is all that's needed. If there's an underlying issue like low muscle tone or torticollis, early physical therapy is highly effective.

Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.

All content follows our editorial policy and is reviewed against published clinical guidelines.

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