Popular Science about Sports
Exercise on an empty stomach is not advisable
Exercising on an empty stomach for an extended period in the early morning depletes the body's energy reserves, which is detrimental to health.
It is best to eat a moderate amount first and then engage in light activity to activate muscles, joints, and internal organs that have been at rest all night.
Strenuous exercise should not be performed immediately after meals
After eating, a large amount of blood flows to the digestive system.
If strenuous exercise is performed at this time, blood will flow to the muscles, causing insufficient blood supply to the digestive system.
This slows down gastrointestinal motility, affecting the normal digestion and absorption processes, and in severe cases, can lead to stomach pain, indigestion, ulcers, and other ailments.
It is generally more reasonable to wait 0.5 to 1 hour after a meal before engaging in any activity.
Avoid drinking excessively after strenuous exercise
A large influx of water into the bloodstream dilutes the blood, increasing blood volume and putting extra strain on the heart and kidneys.
It also dilutes gastric juices, leading to decreased digestive function and appetite.
After exercise, drink a moderate amount of lightly salted water to replenish the salt lost through sweat.
Never drink untreated water, as this can introduce germs into the body and cause infection.
Sports Safety Tips
1. Before exercising, check the field and equipment; change into your sportswear and remove watches and jewelry.
2. Warm up before exercising by moving your limbs and twisting your waist; drink some water before and after exercise; limit strenuous exercise.
3. Follow the rules and be courteous; avoid dangerous actions; after all exercise, properly cool down and recover.
