Is summer exercise good for your health?

As the saying goes, "practice for three days in winter and three days in summer", which means that no matter how cold and hot the weather is, we must persist in physical exercise, so that the body can better acquire the ability of "four seasons are suitable, cold and summer are suitable".

In fact, in the hot summer, the more people who don't like physical exercise are afraid of the heat, the more they feel hot, the less active they are, and the worse their adaptability to the external environment. Exercise in a hot environment can dilate subcutaneous capillaries, accelerate the opening of sweat glands, improve heat dissipation ability, and make the body have a higher ability to regulate body temperature. So it should be "dog days in summer"

Of course, the hotter you are, the more you need exercise. You should also pay attention to prevent heatstroke. Under the control of the thalamic thermoregulatory center, the normal human body is always in a relatively balanced state, and the body temperature is maintained at about 36.5℃. During exercise, metabolism in the body is accelerated and heat production is increased. At the same time, the blood vessels of the skin are dilated, blood flow is accelerated, sweat secretion is increased, and breathing is accelerated, so that the heat energy generated in the body is radiated by radiation, conduction, convection, evaporation, etc., and the body temperature is kept constant. However, if the weather is very sultry, the normal temperature regulation function of the body is hindered and the body temperature rises, heatstroke will occur.

In order to avoid heatstroke, we should achieve "three suitability and three inadvisability":

Three disadvantages:

1, not suitable for exercise at hot noon;

2. Exercise time should not be too long;

3. Don't exercise too much.

Three meanings:

1, clothing should be conducive to heat dissipation;

2, should add enough light salt cold water;

3, should ensure adequate sleep.

Once you encounter heatstroke symptoms such as headache, dizziness and chest tightness, you should immediately go to a cool and ventilated place to rest or see a doctor.

Sunbathing in summer is good for your health, but you should pay attention to the right amount. Too much sunlight will damage your skin, lead to skin aging and even cause cancer. It is best for patients to get the doctor's consent before sunbathing. The best time for sunbathing is 9~ 1 1 and 4~6 pm; The temperature should not be too high, and the head and eyes should not be exposed to the sun. Sunbathing time should be 5~8 minutes, or a little longer as appropriate.

Swimming is one of the best exercises in summer, which can fully exercise the heart, lungs, skin and muscles. When swimming, we should pay attention to prevent cramps. Please note the following points:

1. Activities preparation before launching;

2. Don't go into the water immediately after sweating, physical fatigue or full meal;

3. Wash the whole body with cold water before entering the water, so that the body can adapt to the cold stimulation as soon as possible;

4. Swimming time should not be too long;

5. Pay attention to adding salt.

If you want to cramp in the water (usually calf cramp), you should be calm, stand on tiptoe and straighten your knees, or straighten your knees, so that others can passively stretch the triceps surae by pulling their feet, which can generally be relieved quickly. When necessary, you can send someone for help.

Life lies in exercise. Let's take action for our health!