Among these factors are muscle spasm, muscle strain, ligament sprains, joint problems, herniated disc, improper posture, too much weight carried by the lumbar section of the back bone and several more others. A herniated disc, or sometimes called as degenerated disc is caused by the bulging between the bones. What causes upper back pain is still an argument until these days. Not that the medical community is divided into what should be believed in but because there are too many and complicated reasons underlying a simple upper back pain. Often the physician finds no abnormalities concerning anatomy so he deems the pain only as psychological. Based on the information stated by the National Institute for Occupational Safety and Health, lower back pain causes more damage on employees as compared with any other physical disorders. Lower back pain is more often focused on the lumbar section of the spine and appears in two forms: acute and chronic. For the more common lower back pain, treatment may start with the following routines: Rest It is important to rest the spine when beginning the treatment yet it is equally important to note that rest must only comprise of a day or two. Other than this, resting may be more damaging than good as too much rest may lessen muscle strength. That long list of Latin terms may have complicated things for you but it will get even more complicated when the actual location of pain is displaced in the upper back and especially in the middle back. The following are few of the complications that we are to talk about: The trigger points located at the scalene muscles that cover the front and the back of the neck may stimulate a continuing pain between the blades of your shoulders in the upper back. Listed below are several parts of the spiral anatomy that may be the reasons for pain: Irritation on the large nerve roots located at the low back that are connected to the arms and the legs. Irritation in the smaller nerves in the lower back spine. Strain at the erector spinae, also termed as the large lower back muscle.