Most people have this common sense, "high sleep is not worry-free." High pillows or inappropriate pillows can cause cervical spondylosis. In fact, in addition to this, the pillow also has a certain degree of influence on the lumbar spine. Pillows are the main tool for maintaining the normal position of the spine, especially the cervical and lumbar spine, when maintaining the human body, that is, maintaining the natural curve of the human body itself. If the pillow is too high, it can cause the cervical spine to bend forward, and also cause the lower back muscle to be in a high tension state, so that the physiological lordosis of the lumbar vertebra becomes straight or disappears, causing strain on the soft tissue of the lower back and intervertebral joint pressure. Increased, it will also constitute the nucleus pulposus, or make the prominent nucleus nucleus bulge. If the pillow is too low or does not use a pillow, the lordosis of the cervical vertebra is too large, and the spine cannot maintain a normal state, which increases the unreasonable burden on the lumbar spine. Therefore, improper selection of pillows can also cause low back pain. For normal people or patients with low back pain, the pillow should be softer. Use buckwheat husk, puff, kapok, mung bean shell and other things as fillings to make the pillow softer and more suitable. The height of the pillow is pressed against the head and neck. The height of the fist is equal or slightly lower, and the shape is the lowest in the middle and the upper end is the best. Cold weather and low back pain Some people may have low back pain or low back pain due to weather changes, and some patients may have the same symptoms of low back pain as the weather forecast. Cold is a cause of low back pain. Cold mainly causes low back pain in patients with blood circulation such as vasoconstriction, ischemia, congestion, and edema. Most of the patients suffer from low back pain due to prolonged stay in cold areas or sleeping on cold ground or tuyere. Cold can cause muscle contraction, affecting body movement to a certain extent. In addition, in order to protect the cold, clothes are worn more and the movement is not flexible. If the waist is sharply moved, it is easy to cause waist damage.
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Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
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Pillow has a certain degree of influence on the lumbar spine