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Chronic back strain occurs because of the sustained trauma and wearing out of the back muscles. [1] Acute back strain can occur following a single instance of over stressing of back muscles, as in lifting a heavy object. Chronic back strain is more common than the acute type. To avoid back strain it is important to bend the knees whenever you ...
The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity. In human anatomy the five lumbar vertebrae (vertebrae in the lumbar region of the back) are the largest and strongest in the movable part of the spinal column , and can be distinguished by the absence of a foramen in the transverse process ...
The lumbar spine is often the site of back pain. The area is susceptible because of its flexibility and the amount of body weight it regularly bears. [2] It is estimated that low-back pain may affect as much as 80 to 90 percent of the general population in the United States. [3]
The lower border of first lumbar vertebra lies at the level of the transpyloric plane. [3] Despite the conus medullaris, the end of the spinal cord, being understood to typically terminate at the level of the transpyloric plane, there is significant variability. Up to 40% of people have spinal cords ending below the transpyloric plane. [2] [4]
The costiform is lateral, the mammillary is superior (cranial), and the accessory is inferior (caudal). The mammillary is connected in the lumbar region with the back part of the superior articular process. [clarification needed] The accessory process is situated at the back part of the base of the transverse process. The tallest and thickest ...
Chronic lower back pain is defined as back pain that lasts more than three months. [13] The symptoms of low back pain usually improve within a few weeks from the time they start, with 40–90% of people recovered by six weeks. [2] Normal activity should be continued as much as the pain allows. [2]
Sciatica is pain going down the leg from the lower back. [1] This pain may go down the back, outside, or front of the leg. [3] Onset is often sudden following activities such as heavy lifting, though gradual onset may also occur. [5] The pain is often described as shooting. [1] Typically, symptoms are only on one side of the body. [3]
The lumbar fascia gives origin to the latissimus dorsi muscle (which arises from posterior layer of lumbar fascia), [1]: 40 abdominal internal oblique muscle (which arises along the entire length of the lumbar fascia), transversus abdominis muscle, [1]: 222 and gluteus maximus muscle. [1]: 125