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134105 2010 年 03 月 02 日 22:25 Reading (loading. ..) Comments (2) Category: Personal Diary
a healthy body is sensitive to external stimuli, a stimulus outside limbs in contact with the skin, there will be some kind of feeling, by the skin afferent nerve,
new balance running shoes, through the spinal dorsal horn, thalamus reached the cerebral cortex, after comprehensive analysis of the brain, the right to determine the stimulus is pain, cold, or heat and so on. If the impulse is passed in this way out of trouble, do not feel the urge to be able to successfully spread to the brain, so the formation of the loss of physical sensation, there numb.
symptoms of hand, foot and numb. Because the elderly suffering from cerebral arteriosclerosis brain tissue, in particular ischemic cerebral cortex, the brain's sensory and motor functions of the central nervous system disorders, leading to the corresponding parts of the body numb. The characteristics of such numbness to the side of the upper or lower limbs more or partial numbness. If elderly patients with hypertension have found that the more obvious side of the thumb numbness, then often a precursor to stroke.
2) diabetes
normal circumstances, the brain tissue mainly from the energy required for glucose metabolism. Because glucose metabolism disorders in patients with diabetes, nerve tissue due to inadequate supply of energy, while the occurrence of nutritional disorders; diabetic patients, discharged more vitamin B1, vitamin B1 deficiency, pyruvate and lactate to accumulate in the nerve tissue, but also impede the acetylcholine form of peripheral nerve myelin sheath degeneration. Therefore, diabetic patients prone to multiple peripheral neuritis, appear symmetric acral paresthesia, numbness of hand-foot skin, ants go, electric shock-like feeling, the late-type gloves, or socks can type was loss of sensation.
3)
as cervical spondylosis degeneration, and other factors to stimulate growth or dislocation, or the vertebral joints and uncinate spur invasive intervertebral foramen, the cervical nerve root compression,
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4) lumbar disc herniation
flash torsion, impact, or lift heavy things too hard, fatigue and other damage caused by ruptured intervertebral disc, nucleus pulposus prolapse from the ruptured tissue, stimulation or suppression spinal cord, nerve roots and produce lower extremity numbness, pain and other symptoms associated with back of the thigh.
5) peripheral arterial occlusive disease
worse as lower extremity arterial wall elasticity, hardening, stenosis, blockage,
new balance sneakers, causing lower extremity local blood supply, generally within 100 meters walking felt limb numbness, pain, must be stopped short break before continuing to walk, the symptoms referred to as
6)
thromboangiitis obliterans lesions mainly small arteries and superficial venous limb of chronic inflammation, progressive development of thrombosis,
new balance mens, poor blood flow to limbs felt numb foot, cold, walking when the leg numbness,
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7)
apex of the tumor after the occurrence of cancer, often oppressive brachial plexus, causing ipsilateral upper extremity numbness; risk of uterine cancer, bladder cancer, rectal cancer or prostate cancer, tumor compression of local nerves,
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8) poisoning
patients have a long and organic mercury, arsenic, lead or other heavy metal or organophosphate pesticides and furans, chemicals such as history of exposure to isoniazid. Such chemicals in the body can produce toxic neuritis. Can occur in the early stages, distal limb numbness, and more with a sense of pain and skin ant line.
In addition, the prolonged gastrointestinal disorders, indigestion,
new balance outlet, lack of nutrient supply resulting in the body, but also can cause metabolic disorders of numbness. Long-term calcium deficiency can also produce pain in waist and legs, numbness. Autonomic dysfunction, often emotional changes can occur with no fixed location, were migratory, and when light weight of the limb numbness. Megaloblastic anemia can make the peripheral nervous system damage and dysfunction, may also occur distal limb numbness, tingling, and ataxia,
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new balance shoes, such as cotton, step changes in peripheral nerves and a series of flu symptoms.
healthy food labels because lower limb numbness