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Cramping is a sudden, involuntary tonic contraction of muscles, which causes muscle stiffness and pain. Foot cramps are the most common experience for the average person. Seven percent of adolescents have had foot cramps in the past year, with the 16 to 18 age group being the most likely to occur.
The main causes of foot cramps are:
1) Poor local circulation, peripheral vascular lesions or varicose veins of the feet.
2) Sudden change in ambient temperature.
3) Emotional overtension.
4) Excessive loss of water and salt, resulting in an imbalance of electrolytes in the body.
5) Insufficient levels of minerals (such as magnesium and calcium) in the diet.
6) The incidence of cramps in certain chronic diseases and pregnant women will also increase.
7) Low thyroid, uremia or other physical diseases.
8) Motor neuron disease, spinal radiculopathy or peripheral neuropathy.
9) Certain drugs to lower blood pressure and blood lipids may also cause foot cramps.
10) Unknown reasons.
How to reduce the chances of foot cramps:
1) Pay attention to calcium supplementation: In the stage of puberty, calcium will be relatively lacking, which is more likely to cause cramps.
2) If you are prone to cramps when sleeping at night, stretch on the cramp-prone area before going to bed.
3) Keep your calves warm when sleeping. You can wear more clothes to keep your hands and feet warm.
4) Excessive sagging of the foot plate (in the direction of the soles of the feet) may induce cramps in the lower legs. Avoid letting the foot plate hang too much when sleeping.
5) There have been reports in the literature that vitamin E can reduce the number of attacks, but it is not conclusive.
When the calf is cramping, you can straighten and rub the spasmodic calf muscles, and pull the foot plate that is cramping downward. And pay attention to the warmth of the calf muscles when the cramps are excessive. In folklore**, it is recommended to use your fingers to press the acupuncture points in the person, and you can also try it.
Although the cramps in my feet hurt so much that I woke up in the middle of the night, the only thing I could be thankful about was that it would not be life-threatening.
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Infrequent exercise, as soon as you move, leads to this. Or strenuous exercise.
Others say that the heat rises and the cold shrinks.
So do a warm-up exercise before you get into the water.
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Because you get cramps back when you don't swim up in the water.
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The preparation activities were not done well, and the activities were not opened.
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Shaoze Dad Child Safety Lecture Hall.
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Summer is coming, and sometimes, while swimming, you will have cramps in your calves, why is that?
A cramp is when a muscle in the body contracts violently, does not obey the call, and is very painful. When swimming, calves are prone to cramps, so you should stop swimming and go ashore to rest. Slowly rub your calves yourself and pull the cramping muscles apart and let it relax.
There are usually four causes of cramps while swimming:
Without proper preparation before entering the water, a fierce man plunged into the water.
The water is too cold. The body is too tired.
The lack of salt in the body also makes it easy to cramp. The muscles in our body are contracted, and they cannot do without the action of salt. If you sweat too much in the summer, the salt runs away with the sweat, and the body is prone to cramps if there is less salt.
After understanding the cause of cramps and prescribing the right medicine, I believe you will be able to swim more happily!
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Take some calcium tablets, or drink a bag of milk every day.
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Because you don't do the activity, you may have cramps in the foot when you don't do the activity.
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Because the water for swimming is relatively cool, and there will be such a situation when you exercise at a high frequency.
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This is because it expands when exposed to heat and shrinks when cold. We were very hot and the water was cold. If you stay in the water for too long, you will have cramps in your feet.
Swimming cramps usually occur in the calves and toes, but they can also occur in the fingers, thighs, and even the abdomen. The way to prevent swimming cramps and self-help is: necessary preparatory activities should be done before swimming, and appropriate massage can be applied to the areas prone to cramps. >>>More
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You may have done the following experiment in science or physics class: you put a bottle into the water very quickly with the mouth facing down, because the air in the bottle is green, so the water will not enter the bottle. However, if you put the bottle into the water, the air in the bottle will be squeezed out by the pressure of the water, and the water will flow into the bottle. >>>More
Why do some people open their eyes in the water and others can't? I'm scared after reading it for a while.