Low back pain, this common back pain

Low back pain is not a disease but a symptom: having "back pain" is common, very common, even though it is estimated that 7 out of 10 people are affected.
Symptomatic low back pain can be distinguished as a disease whose diagnosis must be made (osteoporosis with vertebral collapse, infection, tumor) and common lumbalgia, the origin of which is often unknown. Only 5% of patients consulting in general practice have symptomatic low back pain.

Surveys give the figure of 50% of French who suffered from low back pain the month preceding the study. Fortunately, most often, low back pain is a trivial incident, quickly resolving, which heals without sequelae. Low back pain is called acute if it evolves less than three months. We talk about chronic low back pain beyond this period.

While the majority of low back pain episodes are cured without sequelae, the fact remains that chronic low back pain and low back pain are the leading cause of incapacity for work in France before the age of 45.

The lumbar spine is the bottom of the spine. It is composed of five movable vertebrae, which articulate themselves forward by the intervertebral disc, and behind by two articular articular articulations which are covered with cartilage. The lumbar spine is extended by the sacrum, the last disc joining the last lumbar L5 to the first sacral vertebra S1 is called L5S1.

Discopathies: causes, symptoms and treatment

Disc disease or disc disease can occur on all stages of the spine. What are the differences between cervical, lumbar and dorsal discopathy?

The intervertebral disc consists of a central nucleus pulposus, deformable, surrounded by a fibrous ring ( annulus fibrosus ) and cartilaginous plates that "moor" the fibers of the disc to the body of the vertebra. The lumbar spine is permanently subject to constraints related to its mobilization and the weight it undergoes.

Author: Dr. Agnès Chabot, Rheumatologist. Federation of Rheumatology, Lariboisière Hospital, 2 rue Ambroise Paré 75010 Paris. Vaudoyer Medical Office, 4 rue Léon Vaudoyer, 75007 Paris

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Read also :

Lumbago (acute low back pain)
Scoliosis: an abnormal curvature of the spine
Sciatica: a disease often caused by a herniated disc
Cervical disc herniation

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