![]() However, both postures failed to induce SH recovery over an extended time. Supported dynamic lumbar extension conditions significantly helped SH recovery, as compared with control condition, after the first recovery posture intervention, and both postures have potential to maintain LROM. Both interventions facilitated a relatively short recovery period for both SH and LROM. ![]() The interventions comprised two seated lumbar extension recovery postures (unsupported sustained and supported dynamic lumbar extension postures) and a control. Twenty-four participants were randomly assigned to three interventions for three consecutive days. This study compared the effects of no intervention (control) with two recovery postures on SH and LROM (flexion and extension) during prolonged sitting. Furthermore, prolonged sitting can result in both reduced spinal height (SH) and lumbar range of motion (LROM). Weakness in the leg muscles or foot drop, a possible sign of damage to the nerve root.Prolonged sitting during sedentary work has been reported as a potential risk factor for low back pain.Numbness and tingling in the extremities.They can range from nagging pain to disabling pain. Pain can affect the low back, buttocks and thighs or the neck, depending on where the affected disc is, radiating to the arms and hands. These last from a few days to a few months before getting better. Periods of severe pain that come and go.Feeling better changing positions often or lying down.Feeling better while walking or even running than while sitting or standing for long periods of time.Pain that gets worse when bending, lifting or twisting.While seated, the discs of the lower back have three times more load on them than when standing. The typical person with degenerative disc disease is active, otherwise healthy and in his or her 30s or 40s.Ĭommon symptoms of this condition include: ![]() On the right is an X-ray of the discs after traditional spinal fusion surgery. The X-ray shows degenerated discs on the left before surgery. The patient experiences fewer bouts of back pain.ĭegenerative disc disease refers to a condition in which pain is caused from a damaged disc. The body restabilizes the injured segment of the back.Over a long period of time, the patient will have back pain that comes and goes. The bone where the injury occurred becomes relatively unstable.Acute pain makes normal movement of the back difficult.Once a disc is injured, it cannot repair itself, and a spiral of degeneration can set in with three stages that appear to occur over 20 to 30 years: Unlike other tissues of the body, the disc has very low blood supply. If these proteins leak out to the nerves of the outer layer of the disc, they can cause a great deal of pain. This part of the disc contains proteins that can cause the tissues they touch to become swollen and tender. A soft, jellylike core, the nucleus pulposus.If the disc tears in this area, it can become quite painful. The outer portion of this layer contains nerves. A firm, tough outer layer, the anulus fibrosus.The discs are like shock absorbers between the bones of the spine and are designed to help the back stay flexible while resisting terrific forces in many different planes of motion. A wide range of symptoms and severity is associated with this condition. Not actually a disease, this is a condition in which a damaged disc causes pain. Not everyone, however, will have degenerative disc disease. Nearly everyone's spinal discs show signs of wear as they age.
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