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.
Normal human lumbar and cervical regions demonstrate a particular degree of lordotic curvature, which means that the open side of the curve faces the rear of the body.These curves are necessary to help distribute weight and shock throughout the spinal column.ordotic pain may occur due to hyper or hypo versions of the condition in the neck or in the lumbar spine. Lordosis back pain is generally demonstrated in the lower lumbar zone. Military neck, also commonly called straight neck, describes overly straight posture due to a deficient cervical curvature.