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.
Spinal fusion is done most commonly in the lumbar region of the spine, but it is also used to treat cervical and thoracic problems. The indications for lumbar spinal fusion are controversial. People rarely have problems with the thoracic spine because there is little normal motion in the thoracic spine. Spinal fusion in the thoracic region is most often associated with spinal deformities, such as scoliosis and kyphosis. Cervical spinal fusion can be performed for several reasons. Following injury, this surgery can help stabilize the neck and prevent damage to the spinal cord.