What is the physiological position ?

This posture maintains Baby’s spine in a curve and centers his body, his limbs close together, knees and elbows bent – this position gives him a basic sense of security.

A correct posture for a newborn is what logically follows his life in utero. During his first 18 months, muscle tone and development will allow him to gradually straighten his back and stand.


Baby’s a few days old – relaxed, limbs close together :




This position also allows Baby to feel the outlines of his body, which is essential to his psychomotor development and will avoid incomfortable situations when he lacks support: arms and legs spread, head falling backwards, hands flopping around…


Baby’s a few days old – body straightened, looking for support, confused :






Keeping Baby wrapped in a respectful, stimulating of psychomotor development posture is an important aspect of babywearing. More info on the interests of a good position when wrapping.



A quick description of the physiological position :


  • Limbs are bent and close together near Baby’s center of gravity
  • Knees are lined up with the navel
  • Pelvis is tilted forward
  • Spine is in a curve
  • Head is lined with spine
  • Head doesn’t fall forward nor backward, and doesn’t loll sideways
  • Ankles aren’t turned away from the tibias and femurs

  • Before Baby reaches 3-4 months, his knees open only as wide as his pelvis
  • After 3-4 months (when Baby can grab his feet on his own) the space between the knees can be wider, Baby can straddle the wrapper.



Baby younger than 3-4 months, waking moment :




Baby after 4 months, awake, hip carry :




An example of bad positioning, Baby’s hanging in the wrap, dangles. This is what you shouldn’t do :