5 Good Reasons to have a Personal Trainer. 1  Mix It Up with Cross Training. 2  Teaching vs. Showing. 3  Set-A-Pace. 4  Turn Weaknesses Into Strengths. 5  Accountability.
The vertebral artery is a major artery of the neck that passes through the cervical vertebrae. There are two vertebral arteries, one on each side, and each branches off from the subclavian artery. They merge to form the single basilar artery at the base of the brain.
Lower Branches. Within the neck, the lower part of the vertebral artery branches off to the sides into spinal branches, which enter the vertebral canal to connect with the other arteries of the spinal cord and form chains of arteries on the inside of the vertebrae.