The head is not any more mobile on the spinal column than any other two vertebrae are on each other. Fish can’t move its head independent of the body. Amphibians are the first vertebrates to have a ...

Both cranial and spinal meninges are broken down ... artery and two paired posterior spinal arteries. As branches of the vertebral arteries, they arise at the base of the neck and take an upward ...

Cranial therapy (also called cranial osteopathy ... can subtly shift the bones in your skull or spine. Such an injury, ...