Birth Trauma can be a variety of things:
When a child experiences a birth trauma that interrupts their cranial movements, developmental delays can occur.
Because these types of birth trauma can cause two types of jams in the cranial system.
Your child may be struggling with things like:
The head needs to be able to counter all the movements in the spine, and when there is an atlas jam, it can't; therefore key transitional movements patterns can not occur.
Transitional Movement Patterns are what should happen in a person's body between each of the "baby milestones" that you know.
These are not all of the established milestones given by the CDC, but here are just a few: