1 Axial pain. 2  Also called mechanical pain, axial pain is the most common cause of back pain and may present in a number of different ways (sharp or dull, constant, comes and goes, etc.). 3  A muscle strain is a common cause of axial pain.ommon anatomical causes of back pain include: 1  The large nerve roots that go to the legs and arms may be irritated. 2  The smaller nerves that innervate the spine may be irritated. 3  The large paired back muscles (erector spinae) may be strained. 4  The bones, ligaments, or joints themselves may be injured.
Merge this question into. Split and merge into it. Answer by Puhlaa. Confidence votes 4.9K. The spinal cord enlarges at the cervical and lumbosacral areas in order to accomodate the extra neurons involved with the motor control going to, and sensations coming from, the upper and lower limbs.
Pain that is felt in the extremities due to a damaged or compressed nerve root in the spine is called referred pain. A herniated disc in the cervical (upper) region of the spine can cause headaches. The cervical spine begins at the base of the skull and contains seven vertebrae. All of these vertebrae except for the first two (the atlas and the axis) are separated by spongy intervertebral discs. Over time, these discs can degenerate due to: Age.