W-Sitting in Children: Is It Bad, and What Should You Do?

By Chandana Dash, OTR/L, Pediatric Occupational Therapist and co-founder of Synergy Therapeutic Group in Carbondale, Illinois, answering parents’ questions about W-sitting

Clinically reviewed by Chandana Dash, OTR/L on November 5, 2026 · Last updated November 5, 2026

W-sitting is when a child sits on the floor with their bottom between their feet, knees bent in front and feet out to either side. Look down from above and the legs make a W, which is why it is called the W sitting position.

Is W-sitting bad? Not by itself. An occasional W is common. But when a child W-sits most of the time, I look for a weak trunk, tight hip muscles, and sensory needs underneath it.

Many toddlers move in and out of it. Some children go straight into the W every time they sit to play. Those are the children I want to talk about today.

When your child sits on the floor, do the legs go into a W before the first block even comes out? Have you said “fix your legs,” only to see the W come right back?

You are not failing. You noticed something, and that tells me you are watching closely. Let me tell you what I look for.

Why do children W-sit? The W is a clue

Children W-sit because it is stable. It gives the body a wide, steady base, like a tripod. The floor does some of the work, and both hands are free to play. The way a child’s hips are built, or loose joints, can also make it feel comfortable.

In more than thirty years of treating children, I have seen the same pattern again and again in children who W-sit most of the time. They have a weaker trunk. They have trouble sensing where their body is. And often they have sensory needs as well. The W gives them the steady, grounded feeling their body is looking for. I am describing the children I see in my clinic. I am not saying every child who W-sits has these problems.

And they do not slide into the W because the back got tired. Many start in the W the moment they sit down. That is why I call it a clue. Their body has found a solution for something that feels hard. Our job is to find out what the body needs so it does not have to depend on that one position.

Your child is not broken. Their body is adapting.

Sometimes the W is how a child manages to sit at all

Think about a child with cerebral palsy who cannot keep the trunk steady when sitting on a smaller base. In the W, the legs make a wide base. The child may finally have enough stability to sit on the floor, hold up the head, reach for a toy, or play with another child. For that child, the W is a survival strategy for participation. It is how they manage something that would otherwise be too hard.

If you move the child’s legs out of the W without supporting the rest of the body, what happens? The child may topple over, brace with the hands instead of playing, or stop joining in. Telling them to “sit properly” has taken away the very support they were using. We need to give them another way to sit that works before we ask them to leave that position.

In another child, that same steady position can become the only one they use for years. In my experience, relying on it for a long time can become a cycle. The child avoids harder positions, the hips stay tight, and other ways of sitting and moving get harder. That is why I do not call the W good or bad from a photo. I ask what it is doing for this child, what the child cannot do without it, and what is happening over time.

What I ask parents at the first visit

I take a full history. How did sitting, crawling, and walking develop? Did the child move from crawling straight into a W and stay there to play? Can they get in and out of other positions? Are they falling often, avoiding certain movements, or struggling with school tasks?

Two things come up again and again in my practice. Many of these children were late to walk. And as babies, they went from crawling straight into the W and stayed there, because play was easier that way. Many babies pass through a W for a moment. What I watch for is the child for whom it became the only way.

If this sounds familiar, please do not blame yourself. Nobody tells parents to watch how a child gets down to play.

Circle time: why one child cannot sit crisscross

Many children who W-sit cannot sit crisscross because their hip muscles are tight and their trunk is not yet strong enough to hold them upright. Come with me into a classroom. The teacher says, “Crisscross, applesauce.” Every child on the carpet folds their legs and sits. Every child except yours.

Crisscross sitting asks the hips to turn outward and the trunk to hold the child upright. In children who have relied on the W for years, I very often find tight muscles around the hips. The tightest are usually in the front of the hip and the muscles that turn the legs. When I test the motion, some cannot comfortably open the hips enough for crisscross. Some also have a weak trunk. I do not just tell them to sit differently. I find out why that position is hard. The way the hips are built can play a part too, so each child needs a careful exam.

Both knees stay up off the floor. The child bends forward or leans on a friend. The teacher sees wiggling, leaning, or lying down. Is that a child who does not want to listen? Or a child using so much effort to stay upright that there is less left for the story? I have seen the second situation in my clinic.

That matters at circle time, library time, and floor centers. Give the child a cushion or a small stool now if that makes it easier to join in. But if your child cannot sit comfortably, falls often, or struggles with other movements, do not write it off as just a habit.

A study of 63 fourth graders found that children who sat in well-fitting furniture, and sat better, were more often on task. That is not a study of W-sitting, and I do not use it as one. But it does support something teachers and therapists can see. How well the body is supported matters in the classroom. Before calling a child inattentive, look at what sitting is asking of their body.

A girl who could not sit crisscross

Let me tell you about one child I treated. A seven-year-old girl came to me with an autism diagnosis. She was bright and read far above her age. Her mother’s biggest worry was how clumsy she seemed. She fell often, bumped into things when she ran, and could not hop on one foot. Her mother did not know what to do.

She had always W-sat. When I asked her to sit crisscross, both knees stayed five to six inches off the floor, one side tighter than the other. She bent forward and told me, “Ouchie, it hurts, I can’t sit like that.” Her hip muscles were very tight when I examined her. Her shoulders and upper arms were weak too, and her writing was hard to read, even though she knew her letters.

For six months, we worked on it consistently. Stretching. Myofascial release, a gentle hands-on approach I use to ease tight connective tissue, from head to toe. Exercises and movement through play. We did not just fix where her legs went. We worked on the tightness and weakness I found when I examined her.

Eventually she stopped choosing the W on her own. Nobody had to correct her, not me and not her mother. She sat more comfortably, fell less, and began running, playing soccer and basketball, and hopping on one foot. Her handwriting improved too.

Her sister also worked with me. She had never W-sat, did not have the same degree of tightness, and progressed much faster. That comparison stayed with me. It is not a research study. It is one family’s experience, along with what I found when I examined them. When a child already has sensory and movement challenges, years in one position can add to a much bigger problem with everyday tasks.

That is one child’s story, not a promise that every child will need six months, the same treatment, or the same outcome.

At the desk: bending forward and leaning on elbows

The same weak trunk I find on the carpet follows the child to the desk. They bend forward, lean on the elbows, and round the shoulders. Their arms become the support, and an arm that is holding the body up is not free to write as well. I check the desk and chair. But I also test the trunk, the shoulders, and the hands. I want to know why the child needs that support.

In a study of 278 children ages 3 to 11, steadier standing balance went along with better hand control on some tasks. The link was modest, but it was there. The study did not test W-sitting. It gives one more reason to look at how the body is supported when a child is struggling to write.

Is W-sitting bad for the hips? What the research says

Research has not shown that W-sitting causes hip dysplasia. Many parents have heard that W-sitting damages the hip socket. A study of 104 children who had hip X-rays found no link between W-sitting and hip dysplasia. It showed up in 9 percent of the W-sitters and 10 percent of the children who never W-sat. A 2024 systematic review of the research also found no good evidence that W-sitting causes hip dysplasia, or that parents need to forbid it to protect the bones. I agree that the X-ray findings matter. But they do not answer my question about one child: how tight the muscles are, how strong the trunk is, what sensory needs they have, and how they manage at school. Hip dysplasia is a medical diagnosis your doctor makes with an X-ray. I don’t diagnose it. What I examine and treat is the child’s trunk strength and how tight the hip muscles are, and how that affects sitting, moving, and school.

Children’s hips are built differently. Young children’s thighbones have a natural inward twist. That can make the W comfortable and crisscross less comfortable. So the way a child is built may lead them to choose the W. I also see children who have sat in it for years and now have tight hips when I examine them. A normal hip X-ray cannot tell us how much comes from the bones, from years in one position, or from something else.

The review found very little research on how the trunk muscles work in the W. The one small study it discussed tested eight adults in different sitting positions and found no difference in trunk muscle activity. That cannot tell us what happens over years in a child who cannot comfortably sit other ways. What I see in my clinic is not wrong just because that study has not been done. It is also not proof that every W-sitter will have a problem. For the child in front of me, I check the muscles, watch how they move and play, treat what I find, and check again to see what has changed.

Children with cerebral palsy need their own positioning plan and ongoing hip monitoring. Their hips are more likely to slip out of place, for reasons much bigger than one sitting position. Their need for a steady way to sit is real, and so is the need to keep checking their hips. Both belong in the same conversation with their medical and therapy team.

When to call your pediatrician first

Please call if you notice:

• Hip, groin, thigh, or knee pain, particularly pain that wakes your child or interrupts play.
• A limp, or one leg that seems to move differently from the other.
• In-toeing or out-toeing that is much stronger on one side, or getting worse.
• Stiffness, weakness, trouble getting up from the floor, or losing a skill your child used to have.
• Joints that are unusually loose and painful or seem to slip out of place.

If crisscross sitting hurts, that is not a sign to stretch harder. It is something to tell your child’s doctor or therapist.

How to help without saying “fix your legs” all day

Changing the leg position for a minute does not answer why a child chose it. When parents ask me how to correct W-sitting, here is what I suggest, while you keep an eye on whether your child is comfortable and can still play:

First, do not remove a child’s only reliable support. Is the W the only way your child can sit up and use their hands? This is common with cerebral palsy. Ask their therapist for another supported way to sit, so they can keep playing. The goal is more skills and more choices, not a different leg shape that costs them their play.

Offer another comfortable way to play. Try side-sitting, and switch sides during a story. Put a puzzle on a sofa cushion so your child can play kneeling tall, or use a low stool. Read while lying on the tummy. There is no one “correct” way to sit.

Build movement into play. Bear crawls, crab walks, climbing, and a short wheelbarrow walk can build balance and a stronger trunk. Choose activities your child enjoys and can do safely. Pushing a laundry basket full of stuffed animals, or doing wall push-ups, gives the body a strong sense of where it is. Some children find this calming. Others do not.

Stretch gently when the hips are tight. Butterfly sitting, with the soles of the feet together and the knees relaxing out, can be a good start if it feels OK. A folded towel or firm cushion under the bottom may make crisscross sitting easier. Keep it short and playful. A therapist can test which muscles are tight and show you what fits your child. Never press the knees down or push through pain.

And change your words. Instead of “fix your legs,” try, “Want to sit on this little stool while we read?” If the W comes back, that is information, not defiance.

What occupational therapy looks at

When a family brings me a child who W-sits most of the time, I do not treat a letter made by the legs. I ask what is happening in daily life. Does the W let the child sit and play when other positions do not? What happens if we give support in another way? Can the child move easily between positions? Do tight hips, balance, body sense, shoulder strength, or sensory needs get in the way of what they want and need to do?

Then we work on what we find. Gentle stretching when muscles are tight. Strengthening through play when the trunk needs it. Body-sense play when it helps. And practice in other comfortable positions. We also make the classroom work for the child now. The goal is for the child to have more ways to sit, sit more upright without a struggle, and use their hands for play and writing.

Parents also ask about W-sitting and autism. W-sitting alone is not a sign of autism. I have worked with autistic children who W-sit and with children who W-sit and are not autistic. A careful look at your own child tells us far more than the position does. A child does not need a diagnosis for a family to ask about occupational therapy.

Everything here has a solution

Some parents tell me, “My child has sat like this for years. What can I do now? Nothing can be done.” I want you to hear this. It is not too late. A cushion at circle time and gentle reminders are helpful for today, but they are not the whole answer. They do not change why your child sits that way. At Synergy Therapeutic Group, we look for the long-term answer. We find the weakness and tightness underneath, and we work on them. That can change how a child sits, moves, and joins in.

Everything I have described can be examined and worked on. A child who has relied on the W for years may need time. But weakness, tight hips, and trouble using the body are reasons to act, not reasons to blame the child. For one child, the first step is finding enough support to sit and play. For another, it is working on tightness, strength, and new movement choices. I have watched children gain other ways to sit, move, and join in when we work on what we find in that child.

The one thing to do tonight

Tonight, at story time, if your child can comfortably try it, invite them to sit crisscross next to you. Do not correct anything. Just watch: Do the knees rest comfortably, or stay high? Can the child sit upright, or do they bend over or lean on you? Can they switch to other positions easily? If the W is the only way your child can sit and play, notice that too. Do not take it away for this test. That quiet look can tell you a lot. If a position hurts, stop and discuss the pain with your pediatrician.

If your child sits in a W almost all the time and you see trouble with moving, comfort, play, or school, tell us what you noticed. Call the pediatric team at (618) 243-7822. We are at 1110 N Cedar Court, Carbondale, IL 62901, and we work with families across Southern Illinois. That first conversation starts with listening. If you are ready to come in, you can book your child’s first visit online. And if you would like to start at home first, our Parent & Caregiver Training Program teaches you, step by step, what we teach families in the clinic.

You are on the floor with your child every day. What you notice matters.

Frequently asked questions

Is W-sitting bad for my child?

Not by itself. An occasional W is common. When it is the way a child sits most of the time, I pay attention. In the children I treat, it often comes with a weak trunk, poor body sense, and tight hips. These can make it hard to sit, move, and focus. I check these things directly. I do not judge a child from the position alone.

Why can’t my child sit crisscross at circle time?

In the children I treat, I often find hip muscles too tight to let the knees relax down and a trunk that cannot yet hold the child upright comfortably. The way the hips are built can matter too. Do not force the knees down. Offer a comfortable seat for circle time, and have someone check why crisscross is so hard.

Will stretching help my child sit crisscross?

In my experience, yes, when testing shows tight muscles and the family stretches gently and consistently, along with trunk strengthening. Tight muscles take time to change. A therapist can show you which movements fit your child. Never force a position or continue through pain.

Can a child who has W-sat for years still improve?

Yes. With the right plan, a child can get better at sitting, balance, and play. How long it takes depends on the child and the reason. One girl I treated changed how she sat and moved over six months of care planned just for her. Her story cannot predict another child’s result.

How do I respond without nagging?

Offer a stool, side-sitting, tummy play, or another comfortable option. Make movement part of play. If your child returns to the W, notice what is easier about it for them. If you are worried, tell your child’s therapist or doctor what you saw.

Does W-sitting cause hip dysplasia or in-toeing?

The available research has not found that W-sitting causes hip dysplasia. Hip dysplasia is diagnosed by a doctor with an X-ray; what I examine and treat is trunk weakness and hip muscle tightness. There is also no good evidence that stopping W-sitting fixes the natural inward twist of a child’s thighbone. Ask your pediatrician if walking changes are painful, getting worse, or much stronger on one side.

Is W-sitting a sign of autism?

No. Children who are and are not autistic may W-sit. If you have broader questions about development, discuss those questions with your child’s pediatrician.

My baby W-sits. Is that normal?

Many babies pass through a W while moving between floor positions. Talk to your pediatrician if your baby cannot sit any other way, seems unusually floppy or stiff, uses one side much more, or is falling behind on, or losing, skills.

My child has cerebral palsy. Is W-sitting different for them?

Yes. For some children with cerebral palsy, the W is the stable base that makes floor play possible. Do not simply pull the legs out from under a child who cannot hold the trunk upright another way. Ask the child’s team how to give the same or better support for sitting, reaching, and play. Children with cerebral palsy also need their own plan for regular hip checks, because their hips are more likely to slip out of place. Keep up those checks whether or not the child W-sits.

Written by Chandana Dash, OTR/L, a co-founder of Synergy Therapeutic Group in Carbondale, Illinois, and a pediatric occupational therapist with over 30 years of experience. She is trained in the John F. Barnes Myofascial Release Approach. Clinically reviewed November 5, 2026.

This page is for medical information and education only. It is not medical advice, and it cannot diagnose your child or replace an individual medical or occupational therapy assessment. Every child is different, so please talk to your healthcare provider about your own situation.

Research cited

1. Nordon DG, Passone CGB, da Silva CAA, Grangeiro PM. W-sitting in childhood: a systematic review. Acta Ortopédica Brasileira. 2024;32(6):e279277. DOI: 10.1590/1413-785220243206e279277.
2. Rethlefsen SA, et al. Hip dysplasia is not more common in W-sitters. Clinical Pediatrics. 2020;59(12):1074–1079. DOI: 10.1177/0009922820940810.
3. Wingrat JK, Exner CE. The impact of school furniture on fourth grade children’s on-task and sitting behavior in the classroom: a pilot study. Work. 2005;25(3):263–272. DOI: 10.3233/WOR-2005-00462.
4. Flatters I, et al. The relationship between a child’s postural stability and manual dexterity. Experimental Brain Research. 2014;232:2907–2917. DOI: 10.1007/s00221-014-3947-4.
5. American Academy for Cerebral Palsy and Developmental Medicine. Hip Surveillance in Cerebral Palsy: Care Pathway. Guidance on individualized monitoring of hip displacement in children with cerebral palsy.