The Biochemical Reduction: Why Maintaining A Healthy Back Is Essential
Accordance with the figures found in France, lorigine back pain is poorly identified
in 95% and 5% of people over thirty years with Dun back pain not relieved with medication. This is why maintaining a healthy back is essential, inasmuch as most lon knows that this part of the body is sought in respect of slopes from 1500 to 2000 each day (source Medtronic).
The term back pain is any pain sitting in the spine or near it, whatever the origin, nature and intensity of pain. According to the point of origins such pain, neck pain can be distinguished, back pain and back pain. These are the most common, especially among manual workers, while the neck affect more people working in offices (source INPES "Backache - A Practical Guide").
In France, back pain affects 80% of people significantly at least once in their lives. Annual incidence may vary for age, it seems less important in older age groups of 20-24 (4-18%) and highest in the older age groups of 55-64 years (8-32% ) (source INPES "Therapeutic education of the patient".
Ltymologie spine of the word comes from the Greek, which means " back, backbone, and was formerly for spelling rhachis to remind rho. The vertebrae are the bony elements of the spine, or spine. According to people, they are numbered 32 or 34. In view of their constitution, they sempilent perfectly over each other to form the spine.
From the side, the spine has four curves anatomical two lordosis (curvature concave rear) at the cervical and lumbar kyphosis, and two (concave bends forward) at the thoracic spine and sacred. Reverse curves correspond to the hinges of the spine, joints that are mainly governed by movements of the spine. We distinguish the cervico-thoracic T1-C7, the hinge lumbo-thoracic T12-L1 and hinge sacrolumbar L5-S1.These curves Physiological and muscles and ligaments of the spine condition equilibriums (source Aging Spine Center).The intervertebral disc undergoing changes over the events and life.
-Biochemical Events
The main event is the biochemical reduction in the rate of cell renewal. About 90% of cells are alive in the disk Dun healthy teenager cons 46% to 44 Lage Lage and 27% of 57 years [1]. Similarly the vertebral disc is composed of 90% deau growth against 10% at age 60.
-Events morphological
The morphology of the intervertebral disc changes during degeneration. At first it is spongy and firm. The first changes that affect lannulus weakens, then begin to develop small cracks. Over time, the disc loses with water, it then becomes smaller and loses height. Accordingly, the adjacent vertebrae and move closer to each other. Area for Inter-vertebral decreasing, the facet joints are finding more and more compressed, It follows a pressure at their surfaces. Eventually, the facet joints suffer damage ranging up to larthrite.
The pain is caused by mechanical origins such natural lusure affecting different parts of the lumbar spine. This pain "mechanical" usually comes from changes occurring in the disc. As the disc begins seffondrer and the space between the vertebrae narrows, inflammation can affect the facet joints. The pain increases after activity, due to the deformation of regions of the spine being in motion. The pain is usually felt in the back, but it can spread into the buttocks, hips and thighs, without going below the knee. Normally, this scenario nentrane dengourdissement or no weakness in the leg or foot, because the problem is not dune pressure on spinal nerves.
by: Anna Kerry
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