Cold compress, hot compress, how much is it (どっち)?
Whenever muscle strain or joint sprain occurs, should it be cold compress or hot compress?
The treatment and maintenance of sports injuries is a little knowledge that you must know if you love sports and lose weight! Many sports injuries are mostly caused by confusion about when to use "cold compress" and "hot compress". If you want to know how to deal with it immediately, you must first understand the difference between cold compress and hot compress!
Principle and efficacy of cold and hot compress
Cold compress is usually used to treat "acute" injury, which can reduce the temperature, vasoconstriction and metabolic rate of the affected area and achieve the effect of relieving pain, swelling and inflammation of the affected area.
On the contrary, hot compress is usually used for "long-term or chronic" treatment of the affected area, which can increase the temperature of the affected area, relax blood vessels, increase metabolic rate, promote local blood circulation and effectively enhance the healing ability of tissues.
Hot compress can be divided into "shallow hot compress" and "deep hot compress". Common hot water bottles and electric blankets belong to shallow hot compress, and the heat penetration depth is less than 1cm, while hydrotherapy, ultrasound and infrared hyperthermia belong to deep hot compress, and the heat penetration depth can be deeper than 3 ~ 6 cm, so that the injured part can be really relieved of pain by hot compress and achieve good therapeutic effect.
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Should it be cold or hot when you are injured?
Cold compress
Whether it is cold compress or hot compress, it is necessary to observe the position and degree of injury in the affected area. If there is an acute inflammatory reaction of "redness, swelling, heat and pain", it should be treated with cold compress immediately.
Common cold compress symptoms such as:
1. Muscle strain
2. Sports sprain
3. Muscle spasm
4. Skin burns
Not suitable for cold compress, such as:
1. When the skin turns white locally and the blood circulation is not smooth.
2. Abnormal temperature sensation.
3. Abnormal thermoregulation.
4. Patients with heart disease.
heat
On the contrary, if the affected part has symptoms of "long-term chronic pain", it can be treated with hot compress to promote the healing and circulation of the affected tissue, so as to achieve the effect of relieving pain.
Common hot compress symptoms such as:
1. Muscle pain
2. Muscle spasms
3. Arthritis
4. rheumatism
5. dysmenorrhea
Not suitable for hot compress, such as:
1. Abnormal temperature sensing.
2. Abnormal thermoregulation.
3. Toothache and injury
4. Pregnant women during pregnancy
In addition, there are other symptoms of "no obvious acute or chronic reaction" in life, and you can still apply cold and hot compress in time. Common symptoms such as nosebleeds, toothache and minor abrasions can be improved by cold compress. Others, such as body pain, stiff neck and dizziness, can be relieved and improved by hot compress.
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The best time for cold and hot compress
The most suitable cold and hot compress time is about 10 ~ 30 minutes. If it acts on the affected area for too long, the tissue may be damaged or necrotic. In addition, if the affected area is a part with less fat, such as ankle, knee or elbow, the application time should not be too long; Fat parts, such as thighs or buttocks, can be applied for a long time. In addition, if you are particularly sensitive, insensitive (such as diabetic patients) or have abnormal blood circulation function, you need to be cautious in cold and hot compress!
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