In effect, people experience episodes of back pain regardless of the activity they engage into. Having back doesn't mean that there is an ongoing damage or degeneration on the lower back. Unlike with acute pain where the level of pain may be associated with the degree of damage on the affected part, chronic back pain doesn't normally correlate with the level of damage. There are quite a number of factors that may result to lower back pain though there are conditions for which the causes are unknown. Nonetheless, the pain is real and sometimes excruciating. 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. Along with these issues, matters like psychological wellness, arthritis, obesity, and bad posture may be pointed as the root cause of back pain. Though these are the general causes, there may be instances for which the cause of the pain may never be determined. Or there applies no condition for which to relate the problem. With improper posture often arises the problem of herniated or degenerated discs. Some may also experience displaced discs. With this, pressure may be put on the nerve roots since bulging may occur. This will result to agonizing pain and may last for a number of months. The majority of people undergoing pain in the upper back due to displaced discs are women and office workers. The spinal column and all that encompasses it are specifically designed for mobility and stretching. However, due to some factors like injuries and degeneration of the discs, these body parts cannot be moved. Patients experiencing extreme pain may find it hard to mobilize these areas and may require them to perform exercises that may last for some weeks. Strain at the erector spinae, also termed as the large lower back muscle. Injury/ies on the joints, ligaments and bones. Injury at the intervertebral disc. There are cases however that the lower back pain is felt and suffered from yet there are no known anatomical cause or causes to relate the pain with.