How is dizziness after swimming to return a responsibility?

Update Date: Source: Network

summary

As we all know, swimming can promote blood circulation, speed up metabolism, enhance physique, and also has a certain role in body building and weight loss. So what's the headache after swimming? Now let's take a look at it in detail!

How is dizziness after swimming to return a responsibility?

First: Although the limbs shunt more blood when swimming, but the muscles continue to contract, blood flow faster, the brain will not ischemia. After swimming, due to muscle relaxation, telangiectasia, the blood accumulated in the limbs muscle is relatively increased, resulting in a relative lack of blood supply to the brain. In addition, just ashore, the body suddenly changes from horizontal state to upright state, and the sudden change of body position will also aggravate the cerebral blood supply deficiency.

Second: when swimming, the water temperature is low, and the stimulation of cold water will also make the capillaries in the head contract, resulting in a tight feeling of the head. When the swimming skill level is not too high and the nerves are tense, the neck muscles continue to contract, and then the blood vessels in the head expand, which can also lead to headache and dizziness.

Third: headache, buzzing in the ear, or retching, most of which are caused by irrigation in the ear or choking on the nose. This situation is only temporary, as long as the water in the ear is cleaned up in time. Fast 1-2 hours, slow 2 days or so headache symptoms will disappear.

matters needing attention

Dizziness and brain distension are caused by long swimming time and excessive energy consumption, resulting in lower blood sugar, as well as fatigue and hunger.