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At the 4th and 5th lumbar levels, great pressure is said to be exerted on the posterior aspect of each vertebra and transferred from the vertebra to the disc. Williams specified that in most cases the 5th lumbar disc ruptures and the nuclear material of the disc moves into the spinal canal causing pressure on the spinal nerves.
[1] [2] Waddell's signs may indicate non-organic or psychological component to chronic low back pain. Historically they have also been used to detect malingering in patients with back pain. While testing takes less than one minute, [2] it has been described as time-consuming and alternatives have been proposed. [3]
Whether a patient experiences pain or not largely depends on the location of the affected disc and the amount of pressure that is being put on the spinal column and surrounding nerve roots. Degenerative disc disease is one of the most common sources of back pain and affects approximately 30 million people every year. [3]
Come to think of it, your lower back kind of hurts Yahoo Inc. may earn commission or revenue on some items through the links below.Read the original article on Purewow.
Low back pain accounts for 17% of all physician visits of people aged 65 and older. [37] From this population, a large portion of radicular pain stems not from disk pathology, but from lumbar spinal stenosis. [37] According to Kalff et al., 21% of people over the age of 60 have lumbar spinal stenosis, as confirmed by radiological screening. [38]
Lumbar disc disease is the drying out of the spongy interior matrix of an intervertebral disc in the spine. Many physicians and patients use the term lumbar disc disease to encompass several different causes of back pain or sciatica. In this article, the term is used to describe a lumbar herniated disc.
In 90% of sciatica cases, this can occur as a result of a spinal disc bulge or herniation. [14] [28] Sciatica is generally caused by the compression of lumbar nerves L4 or L5 or sacral nerve S1. [29] Less commonly, sacral nerves S2 or S3 may cause sciatica. [29] Intervertebral spinal discs consist of an outer anulus fibrosus and an inner ...
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