What to pay attention to before and after swimming

 Before swimming:

Diet:

Do not swim on an empty stomach or on a full stomach. It is best to go into the water 1 hour after meal

Warm-up exercise:

 Doing warm-up exercise is beneficial to prevent cramps during swimming, reduce the possibility of encountering accidents after entering the water, and at the same time increase muscle coordination with lifeguard training.

Swimming gear:

 swimming cap, waterproof (fog) glasses, stuffy nose, fitted swimsuit. People who are prone to water entering their ears need to wear earplugs. Beginner swimmers, children, and the frail middle-aged and elderly people should bring swimming rings.

Adapt to the water temperature:

 Briefly adapt to the water temperature to avoid damage to the body caused by excessive temperature differences.

After swimming:

After swimming, you should wash your eyes, ears, nose and mouth with clean water in time, rinse your body, then wipe dry, and put on clothes to keep warm to prevent colds. At the same time, do some relaxation and finishing activities to allow the body to recover. After swimming, it is advisable to rest for a while before eating, otherwise it will suddenly increase the burden on the stomach and intestines, and it is easy to cause gastrointestinal diseases in the long run.

Due to impurities and bacteria in the water, swimmers are prone to eye and ear diseases. Do not rub your eyes with dirty hands to avoid bruising the conjunctiva or allowing bacteria to enter your eyes.

If water enters the ear when swimming, do not dig the ear with your fingers to avoid scratching the ear canal, causing sewage infection and otitis media. The processing methods are:

•  Single-leg jumping method: Tilt your head to the side where the water enters the ear, pull the earlobe with your hand, and perform single-leg jumping with the same leg.

•  Suction method: Turn your head to the side with water, press the outside of the ear hole of the ear on the same side with the palm of your hand, hold your breath, and then quickly open the palm, and the water can be sucked out.

•  You can also use a sterile cotton swab and soft absorbent paper to gently insert it into the external auditory canal to absorb the water with lifeguarding training usa.

Avoid swimming if:

1. Avoid being too tired and swimming after strenuous exercise: 

When the body is too tired, the contraction and reaction ability of the muscles will be weakened, and the movements will not be easy to coordinate. If you swim in the water at this time, it will cause the accumulation of fatigue, which will easily cause choking and muscle cramps. , and even drowning accidents. In addition, after strenuous exercise, the body's metabolism has not returned to normal, the body temperature is high, the amount of sweating is high, and the body is in an unstable state. If you swim in the water, the body is suddenly stimulated by cold water, the body temperature will drop sharply, the resistance will be weakened, and it is easy to cause a cold.

2. People with certain diseases should not swim:

 severe coronary heart disease, hypertension that is difficult to control with drugs, rheumatic heart valve disease, congenital heart disease, severe arrhythmia, epilepsy, acute conjunctivitis, open wounds and Patients with various infectious diseases, etc., please do not swim.

3. Avoid swimming during menstruation: 

During menstruation, women's body resistance decreases. If they go swimming, they will be stimulated by cold water, which will easily lead to amenorrhea, dysmenorrhea, and infection.

4. Avoid drinking and swimming: 

After drinking and swimming, the large amount of glucose stored in the body will cause hypoglycemia. At the same time, alcohol will inhibit the normal physiological function of the liver, hinder the conversion and storage of glucose in the body, and cause accidents. In addition, drinking alcohol can stimulate the central nervous system and make it in a state of overexcitation or inhibition, which is prone to drowning accidents.

Also read about Swimming:  Floating on your back in the water