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Anonymous users2024-02-12Why do you feel dizzy when you stand up after squatting for a long time?
If you squat on the ground for a little longer, and when you stand up suddenly, you often feel the world spinning and your eyes are full of stars. This is caused by temporary anemia of the head.
When a person is squatting, there are some special cases for the distribution of blood in the body. The first is that the two legs are pressed very tightly, the blood vessels are flattened, and the blood reaching the lower limbs is relatively small; Secondly, because the head is slightly tilted forward when squatting, the blood to the head is relatively more distributed.
When you stand up suddenly, the blood vessels in the lower limbs suddenly release the compression, so a significant part of the blood flows to the lower half of the body.
In addition, blood also has a certain weight in the body, and when you stand up suddenly, the blood flow will also flow to the lower half of the body due to the attraction of gravity and inertia, and the blood distributed to the upper body will be reduced. In addition, when standing up, the head is also upright, and it is more difficult to spurt blood from the heart to the high head.
All of this results in a relative decrease in blood flow to the head. The human brain is the most in need of blood oxygen, and a temporary reduction in blood supply can make people feel dizzy due to temporary cerebral anemia. In addition, due to the decrease in blood in the head, the blood supply to the eyeballs is naturally less, so the phenomenon of dazzling and Venus will occur.
At the same time, anemia and hypoglycemia can aggravate this phenomenon.
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Anonymous users2024-02-11It's normal, everyone does.
Because of squatting for too long, the blood circulation in the legs and upper body is not smooth, and the blood pressure is large, and the blood rises rapidly after standing up, flowing to the brain, and the blood pressure rises sharply, causing dizziness.
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Anonymous users2024-02-10When a person is in a squatting position, the lower limbs are flexed, and the blood vessels of the lower limbs are compressed so that the blood is not easy to flow to the lower limbs, and the lower limbs appear to be ischemia.
When a person who has been squatting for a long time suddenly stands up, the blood vessels of the lower limbs are restored to unblocked, and at this time, it is like suddenly opening the floodgates, and the blood will rush to the lower limbs in large quantities, so that the head will not have enough blood, and the wide spine and brain will not get enough oxygen and nutrients for a while.
The conclusion is that most of the phenomenon of Shenling is a normal phenomenon and is not caused by anemia.
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Anonymous users2024-02-09Anemia, eat more raw blood. Like peanuts, walnuts. and so on
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Anonymous users2024-02-08Anemia, like a bottle of water, if you are not satisfied, you will suddenly lift it up and there will be no water for a while, that is, during this time the brain is ischemia, you will be dizzy, if it is full, it will be much better.
Most people will get dizzy when they stand up quickly, but if they stand up slowly, they will indeed be anemic, and it is recommended to eat more iron and blood supplements, such as pork liver.
That's because of the short-term lack of oxygen in the brain, after squatting for a long time, a large amount of blood is concentrated below the brain, and suddenly the brain can't supply enough blood, that is, oxygen, so it will be dizzy, which is a normal phenomenon, and there is no need to worry too much.
Many people have this experience: after squatting for a long time and then standing up suddenly, they will feel dizzy and dark. The main reason for this phenomenon is temporary anemia in the brain. >>>More
Every day we are using our bodies to complete all kinds of work, but we do not serve our bodies well, and we do not know enough about our bodies, and there are many friends who don't know what is going on when they stand up and have black eyes after squatting for a long time? Then let Lemon tell you! >>>More
Caused by insufficient blood supply to the brain It is recommended to slow down the movement as much as possible every time you want to get up Squatting for a few minutes and then standing up to feel dizzy and dizzy, most people will have it, as long as it can return to normal after a while, it is a normal physiological reaction, not a disease. If it takes a long time to return to normal, you should pay attention to it, such as anemia, hypoglycemia, cardiovascular disease, etc. Slender boys who are considered to have a "pneumothorax constitution" are mostly malnourished and have weakened immunity. >>>More
This is caused by temporary anemia of the head. When a person is squatting, there are some special cases for the distribution of blood in the body. The first is that the two legs are pressed very tightly, the blood vessels are flattened, and the blood reaching the lower limbs is relatively small; Secondly, because the head is slightly tilted forward when squatting, the blood to the head is relatively more distributed. >>>More