Blog by Desiree Frigenti – Senior Baby Physiotherapist / Baby Whisperer
Oral tension in a baby refers to increased tightness or reduced coordination of the muscles of their mouth, jaw, tongue, lips, and sometimes the neck and face. These muscles don’t work in isolation, so tension in one area can affect feeding, breathing, movement, and even overall body posture.
Here’s how it’s all connected:
Feeding
A baby with oral tension may have difficulty:
Latching deeply during breastfeeding or bottle-feeding.
- Coordinating sucking, swallowing, and breathing.
- Staying latched or feeding efficiently.
- Taking in excess air, which can lead to gassiness or reflux-like symptoms.
Signs might include clicking sounds while feeding, leaking milk from the mouth, frequent unlatching, or prolonged feeds.
Tongue, jaw, and neck
The tongue, jaw, and neck muscles work as a team.
- A tight jaw can limit how the tongue moves.
- A restricted tongue movement (whether due to muscle tension or sometimes a tongue-tie) can cause the baby to compensate by using other muscles.
- Tight neck muscles may make it difficult for a baby to turn their head comfortably to both sides, which can affect positioning during feeds.
Breathing
Babies ideally breathe through their noses while feeding. If oral tension affects tongue or jaw position, breathing can become less efficient, making feeds more tiring.
Whole-body movement
The body functions as an integrated system. A baby with increased muscle tension elsewhere may also have oral tension. For example:
- Preferring to look one direction.
- Arching the back frequently.
- Difficulty relaxing. Hands always tightly fisted and held close to their body
- Uneven head shape due to a preferred position.
These don’t always occur together, but they can be related.
Development
As babies grow, oral muscle coordination supports:
- Transitioning to solids.
- Chewing.
- Babbling and early speech.
- Facial muscle development.
Most babies with oral tension improve with appropriate support, especially when identified early.
What can contribute?
Possible contributors include:
- Positioning before or during birth.
- A difficult or assisted delivery.
- Prematurity.
- Muscle tightness or torticollis.
- A tongue-tie or other oral anatomical differences (though not every baby with feeding difficulties has a tongue-tie).
Neurological or developmental conditions, although these are much less common.
Assessment
If you suspect your baby has oral tension, an assessment may involve looking at:
- Feeding technique and latch.
- Tongue, lip, and jaw movement.
- Neck mobility and body posture.
- Growth and weight gain.
- Overall muscle tone and development.
Professionals who commonly assess these issues include a Paediatrician, a Lactation Consultant (especially one experienced in infant oral function), a Paediatric Speech-Language Pathologist with feeding expertise, or a Paediatric Physiotherapist.






