Say Goodbye to Flat Head: A Physiotherapy Guide for Positional Plagiocephaly in Babies
October 29, 2026 · 4 min read

Say Goodbye to Flat Head: A Physiotherapy Guide for Positional Plagiocephaly in Babies
Positional plagiocephaly, a cranial asymmetry characterized by a flattening on the back of a baby's head, is a common but often correctable concern. Fortunately, with early detection and appropriate postural strategies, we can guide our little ones towards symmetrical and healthy development. As a physiotherapist, I offer you a practical guide to understand and address this condition.
What is Positional Plagiocephaly and Why Does It Occur?
Positional plagiocephaly refers to a deformity where a baby's skull presents a flattened area, usually on one side of the back of the head. Unlike other craniosynostoses, it does not involve the premature fusion of cranial sutures; instead, it results from constant external pressure on the same area. The most common causes include:
- Positional preferences: The baby spends a lot of time with their head turned to the same side, whether sleeping, in the crib, stroller, car seat, or bouncer.
- Congenital muscular torticollis: This condition, where the neck muscles are shortened or tight, limits the baby's neck range of motion, forcing them to keep their head in a predominantly tilted or rotated position to one side, which exacerbates the flattening.
- Prematurity or low birth weight: Premature babies often have softer skulls and spend more time in a supine position due to their medical needs.
It is crucial to understand that positional plagiocephaly is primarily an aesthetic and postural concern, and does not affect the baby's brain development. However, its correction is important for motor development and facial symmetry.
The Importance of Early Detection and the Physiotherapist's Role
Detecting positional plagiocephaly early is key for effective intervention. Parents are usually the first to notice the flattening or a positional preference. If you observe any asymmetry in your baby's head, an appointment with the pediatrician is the first step. They can then refer you to a physiotherapist specializing in pediatrics.
The physiotherapist will evaluate not only the shape of the skull but also your baby's neck range of motion, muscle strength, head and trunk control, and any postural asymmetry. If torticollis is identified, physiotherapy treatment will focus on stretching tight muscles and strengthening opposing muscles to restore normal neck movement. Our goal is to restore symmetry, prevent the flattening from worsening, and address any underlying factors contributing to the condition.
At-Home Postural Correction Strategies
The good news is that much of the correction for positional plagiocephaly takes place at home with the active involvement of parents. Here are some essential strategies:
- Tummy Time: This is the most powerful tool. Offer frequent and supervised sessions of your baby on their stomach on a firm surface. Not only does it relieve pressure from the back of the head, but it also strengthens the neck, back, and shoulder muscles, which are crucial for motor development. Start with short periods (3-5 minutes) several times a day and gradually increase.
- Vary Sleeping Position: Alternate the direction you place your baby's head in the crib. For example, if one day they are looking towards the headboard, the next day position them so they are looking towards the foot of the crib. This encourages them to turn their head towards the less preferred side to observe their surroundings.
- Environmental Stimulation: Place toys, lights, or your own face in a way that encourages the baby to turn their head towards the non-flattened side to interact.
- Minimize Time in Devices: Limit the time your baby spends in car seats, bouncers, swings, or baby carriers. These devices exert constant pressure on the back of the head.
- Holding and Positioning: Vary the way you hold your baby. Hold them in your arms, using different postures that encourage head rotation towards the less preferred side.
Remember that consistency is key. Patience and daily application of these techniques will make a big difference.
Conclusion
Positional plagiocephaly is a common condition that, with the right approach, is highly manageable. Early detection, guidance from a physiotherapist, and parental dedication are the pillars for achieving successful correction. By implementing these postural corrections, we not only help reshape our baby's head but also foster their motor development and overall well-being. Your baby and their posture will thank you!

