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The neck is connected to our brain and body, and there is "no hole in the sky", including cervical vertebrae, trachea, esophagus and dense nerves, blood vessels and so on.
For the neck, most people just think it looks beautiful, elegant, and rarely linked to health. In fact, the "territory" of the neck includes the clavicle from the back of the head to the top of the shoulder. First of all, the blood supply to the brain is inseparable from the neck. It has a carotid artery on both sides and is responsible for blood supply to the brain together with the vertebral artery. Among them, the carotid artery provides more than 80% of the blood supply to the brain, and we can touch it on the sides of the protruding part of the throat about 5 cm. Second, the lymph on the neck is the body's immune defense. There are dense lymph nodes and nerve trunks in the neck. Viruses and bacteria are most likely to invade the respiratory tract and the mouth. When the infected lymph fluid returns, the first stop is the neck. Therefore, the lymph nodes on the neck are also the first line of defense for the human body. Again, the nerves in the neck regulate the whole body. The nerves from the brain go down the neck, and the nerves involved can be said to be their respective duties: 8 pairs of spinal nerves innervate the movement and feeling of the human body; 4 pairs of cranial nerves regulate blood pressure, respiration and gastrointestinal motility; sympathetic nerves can People have rapid heartbeat, limb vasoconstriction, sweating, etc.; parasympathetic excitation can slow down and weaken the heartbeat.
as a result of
Cervical spine injury, implicated in the whole body
The neck is so important, but it is very "squeaky". It is the "hardest hit" for all kinds of diseases, and the first is the cervical vertebra.
The cervical vertebra is made up of seven bones, which form a heavy cross with the shoulders, supporting the underweight head. Cervical spine injuries can trigger a series of "chain reactions" that affect overall health.
70% of headaches are related to the neck. They are called cervicogenic headaches. They are unilateral or bilateral occipital, swell or sore, and can be accompanied by nausea and vomiting, tinnitus, eye swelling, and changes in smell and taste. Ignore or misdiagnose. Second, cervical spondylosis causes insufficient blood supply to the vertebral artery, which can lead to cervical vertigo, especially after neck activity. Third, cervical vertebra hyperplasia, dislocation instability, disc herniation, etc. can lead to neck and chest syndrome, causing paroxysmal chest tightness, pain in the precordial area, and suffocation. Fourth, cervical spondylosis can cause poor swallowing. This is because the upper end of the esophagus is adjacent to the sixth cervical vertebra, and the latter hyperplasia forces the esophagus. If cervical hyperplasia is compressed to the cervical sympathetic nerve, it will also cause gastrointestinal motility to slow down, induce constipation and bloating. In addition, the neck is still a "signal" for other diseases. The American Sleep Association's study found that people with thick necks are prone to sleep apnea. In addition, some scholars pointed out that the thicker the neck, the higher the risk of cardiovascular and cerebrovascular diseases and diabetes.
alarm
Walking is not straight, fists are boring
In a sense, the neck is as important as breathing. In life, everyone often regrets when something goes wrong.
According to a survey, 70% of white-collar workers suffer from different levels of “office diseaseâ€, and cervical spondylosis is rising year by year. This is mostly related to bad living habits. For example, long-term desk or work on the computer, the neck maintains the same posture, the cervical vertebrae are easily misplaced, and the disc is protruding. Modern people are also ill because of their busyness. The intervertebral discs have severely squeezed blood vessels and nerves for a long time, which may lead to sudden stroke and myocardial infarction. In order to wear beautiful clothes on the shoulders, women neglect the neck to keep warm, or stay in the air-conditioned room for a long time will also hurt the cervical spine.
To determine whether you have cervical spondylosis, you may wish to do a simple self-test: 1. A radiation pain like a shock in a part of the limb is a typical manifestation of cervical spondylotic radiculopathy. If accompanied by symptoms of dizziness, nausea, and vision rotation, it is often accompanied by vertebral artery type cervical spondylosis. 2. Finger numbness, especially bilateral numbness, may have cervical spondylosis, leading to oppression of important structures of the spinal cord. 3. Finger flexion and extension experiment: hand fist, then fully open, 10 seconds to do more than 10 seconds is normal. 4. Trying to walk both feet on one line, patients with cervical spondylosis can't walk straight.
Conservation
Look up, chest, bogey
To ensure that the "lifeline" of the neck is unimpeded, it is necessary to start from the details of life.
First, when standing or walking, raise your head and chest, look straight ahead, and avoid bowing your back; wear a neck pillow when you are sitting for a long time. Second, it is necessary to long-term low-head workers to develop the habit of looking up and leaning back every 15 minutes, properly expanding the chest, shrugging and so on. It is also possible to moderately press the wind pool (the outer side of the two thicker muscles of the back neck) and the Tianzhu point (about one finger left side of the wind pool hole). Third, prevent trauma. Turn back and turn your neck not too fast or too strong; drive or ride the car to fasten the seat belt to prevent neck dislocation injury due to inertia during sudden braking or bumping; do not use the neck to hold the phone.
You can also do neck exercises: 1. Support the head: lean forward, place the elbow on the table, hold the forehead with your palm for 3-5 minutes. 2. Lifting exercise: Put your hands on the edge of the chair, support the body, and raise your legs upwards for 5 seconds. 3. Shrink the shoulders: Sit straight, straighten the spine, put your hands on your legs, and keep your shoulders back together for 15 seconds. 4. "Turtle Probe": Imitate the turtle forward probe and keep the chin level. 5. Turn the neck: Every 1 hour, lower your head so that your chin is as close as possible to the chest, then slowly rotate the neck.
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