Sitting for six hours or more a day increases the risk of illness and increases the risk of early death by 25 percent, according to a new study by Queen's University of Belfast, the Daily Mail reported on the 25th. For people in the workplace, they are basically sedentary for more than 8 hours every day, so they should pay more attention. So what are the dangers of being sedentary?
The harm of sedentary
If the sedentary behavior is eliminated, colon cancer, endometrial cancer, lung cancer, diabetes and other diseases can be prevented to a certain extent.
1. Sedentary can make people fat, women should pay attention to, if you sit for a long time, lack of exercise, it is very easy to get fat, long-term in the posture, abdominal fat will push, blood can not come up, will form a pear shaped figure, so want to lose weight, or want to maintain the body material, try not to sedentary.
2. Sedentary will make the body's resistance decline, often sitting, lack of exercise, but also a long time to the computer radiation, which is very bad for the body, and often to the computer, is not good for the skin, but also the body is which muscle lose elasticity, is very bad for health.
3. Often sitting is bad for the spine. For people who only use this computer for a long time, the blood can't flow up and the flow speed is slow. It's easy to cause damage to the waist, neck and back. In the future, it's easy to have lumbar disc herniation. So if you can walk, don't stand. If you can stand, don't sit for a long time. If you sit for a long time, walk more.
4. Often sitting will damage the brain, sedentary brain lack of blood supply, when people suddenly stand up, easily lead to dizziness, dizziness, tinnitus and other problems, serious will lead to dizziness, vomiting.
5. Sedentary can cause myocardial weakness ischemia, which is actually one of the consequences of blood flow can not be smooth. What we should understand is that only athletes who take regular strenuous exercise can have a healthy heart rate that slows down. The heart rate of normal people should be around 60-70 when they are quiet, and it will be relatively high after meals and at noon. But if it is only 50-60 when they are quiet, it is not necessarily a good thing. We should take more exercise to restore the ability of the heart.
6. It affects the health of the intestines and stomach. If you sit after a meal, your intestines and stomach can't get digestion and peristalsis. If you don't get excretion in your stomach, you'll have a bad stool. As time goes on, it's not that sitting leads to disease, but that you don't know how to be healthy and damage your intestines and stomach. It is said that small is indigestion, gastroenteritis, acute gastritis. No matter how serious it is, chronic gastritis may vomit after eating and then become gastric bleeding. Gastric cancer is not impossible. Because food accumulates in the stomach, it's hard to imagine what kind of reaction it will have. That's why it's toxic.
Correct sitting posture
The upper part of the body should keep the neck upright to support the head. The shoulders should naturally droop. The upper arm should be close to the body. The elbow should be bent at 90 degrees. Operate the keyboard or mouse to keep the wrist horizontal as far as possible. The middle line of the palm should be in line with the middle line of the forearm. The lower part of the body is straight at the waist, the knees are naturally bent at 90 degrees, and the sitting position of feet on the ground is maintained.
It is necessary to choose a desk and chair with ergonomic design, use a special computer chair, sit on it and follow the 'three right angles': the knee under the computer desk forms the first right angle, the thigh and back form the second right angle, and the arm forms the third right angle at the elbow joint. Keep your shoulders down and your chin away from your neck. Head up at the center of the computer screen, the seat is good, with a supporting back and armrest, and can adjust the height.