Head Shape
Torticollis in Babies: Causes, Signs and Effect on Head Shape
Congenital muscular torticollis (CMT) in babies: causes, signs, and link to plagiocephaly. Physiotherapy and helmet therapy options.

Quick answer: Torticollis in babies (congenital muscular torticollis) is a condition where the sternocleidomastoid (SCM) muscle shortens, causing the head to tilt to one side. It frequently coexists with plagiocephaly (flat head syndrome). Physiotherapy started in the first months resolves the condition in the vast majority of cases.
Have you noticed that your baby always holds their head tilted to the same side in photos? Or do they stubbornly prefer to turn their head in only one direction while in your arms, nursing, or sleeping?
If the answer is "yes," your baby may have Torticollis (Wry Neck). This condition not only limits neck movement but is also the leading trigger of head shape deformities (flat head syndrome). At CranioWell Orthopedic & Prosthetic Centers, we explain the "vicious cycle" between these two conditions and how to break it.

Medically termed Congenital Muscular Torticollis (CMT), it is a shortening or tightening of the Sternocleidomastoid (SCM) muscle on one side of a baby's neck.
This muscle runs from behind the ear down to the collarbone and breastbone. When the SCM muscle shortens on one side, the baby's head tilts toward that side while the chin rotates in the opposite direction (toward the opposite shoulder) — like a tight rubber band holding the head in that position.
Torticollis is usually congenital (present at birth), though signs may become noticeable when the baby is a few weeks old.
Torticollis and Plagiocephaly (Flat Head Syndrome) are like conjoined twins. Statistics show that the vast majority of babies with head shape deformities also have a neck asymmetry. How does this relationship work?
Parents should watch for these indicators:
When torticollis and head shape deformity occur together, treatment must be carried out simultaneously.
The primary treatment for torticollis is physiotherapy. Stretching and strengthening exercises guided by a specialist physiotherapist help lengthen the muscle. Regular home exercises performed by the family are critically important.

If torticollis has led to moderate or severe flattening of the skull, stretching exercises alone may not correct the head shape. This is where helmet therapy comes in. Helmet therapy also offers an indirect benefit for torticollis: by rounding the flat area at the back of the skull, it creates a physical foundation for the baby to turn the head more freely to the other side, supporting the physiotherapy process.
Placing the baby on their tummy while awake and supervised is the most natural way to strengthen neck muscles.
Very mild cases can resolve spontaneously, but intervention is generally needed. Untreated torticollis can lead to permanent facial asymmetry (one side of the face remaining smaller) and postural disorders (such as scoliosis).
Helmet therapy does not directly treat the neck muscle (that is the role of physiotherapy). However, the helmet corrects the flattening of the skull, increasing the neck's range of motion and helping the baby turn the head freely. The two treatments complement each other.
Start with a pediatrician, then consult a Pediatric Orthopedic Surgeon, Physical Medicine and Rehabilitation specialist, or a Cranial Center (such as CranioWell) as appropriate.
Your baby constantly holding their head to one side may not be a "habit" or "stubbornness" — it may be an anatomical necessity. Early diagnosis is critically important both for the recovery of the neck muscle and to prevent permanent head shape deformity.
At CranioWell, we carefully assess neck muscle status in every baby referred for suspected head shape deformity, and where necessary, we coordinate a multidisciplinary approach by directing families to physiotherapists.
Related: Tortikolis (Turkish), Plagiocephaly, Tummy Time Guide.