Old sitting sofa hurts the whole body or causes a stroke
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First of all, sedentary sofas are extremely detrimental to the elderly with cervical and lumbar vertebrae. The sofa seat is relatively low, coupled with the flexibility, the person sits up to the hip and the back muscles are elongated at the back of the pelvis. Older friends read and read newspapers in this position, looking down at both eyes while bending the neck. After a long time, it is easy to cause eye muscle fatigue and neck pain. People with severe cervical spondylosis suddenly look up after looking down at things, but also easily cause dizziness, nausea and other symptoms due to temporary cerebral ischemia, and may also cause a stroke. Secondly, studies have shown that if people sit on the sofa for a long time, the activity of the brain will gradually become dull, fatigue, limb weakness, anorexia and so on. This is also a reason why many elderly people are often sitting more and more sleepy and tired.
Finally, when people are sitting on the sofa, they are squatting. Spinal curvature causes the internal organs to deviate from the natural physiological position, which easily leads to impaired function.
It is recommended that the elderly, it is best to choose a straight back and the chair into a suitable chair, a hard back, the chair can not be too soft, bamboo chairs, wooden chairs are the best, Taishi chair is a good choice. When sitting, you can put an ottoman under your feet so that your legs can be flat to prevent ischemia of the lower limbs. There is only a sofa in the home, it is recommended to put a cushion on the sofa to change its rear bow structure. (The author is a professor of orthopedics at the Fourth Affiliated Hospital of Harbin Medical University)