How long does it take to lose weight by swimming? Losing weight is something that many people do together, and we all know that exercise is the most effective way to lose weight, and swimming is the choice of many people. Swimming can not only lose weight, but also flexible joints. So how long does it take to lose weight by swimming?

How long does it take to lose weight by swimming? What is the principle of swimming to lose weight?

When swimming, the resistance of water is much greater than that of air when moving on land. Walking in the water is laborious, and swimming will definitely consume more calories. It will be better to relax muscles when swimming. Swimming for half an hour consumes the same amount of calories as running for an hour.

Moreover, the density and heat transfer performance of water are greater than that of air, and the heat transfer coefficient of water is 26 times that of air. In other words, at the same temperature, the human body radiates heat in water more than 20 times faster than in air, which can effectively consume heat.

How long does it take to lose weight by swimming?

Swimming for about 3 hours at a time, but not continuously. After swimming for an hour, you can have a rest at this time. Note that in the process of swimming, the movement need not be too big, and keep floating with the smallest movement; Besides, there is pressure in the water. When we swim for a period of time, our bodies will feel tired. At this time, we must have a rest. When we leave the water, we need to move slowly.

How to protect your eyes when swimming

Attention should be paid when swimming, and it is best to wear goggles when diving to prevent the pool water containing pathogenic microorganisms from entering the eyes and causing conjunctivitis. In addition, the disinfectant in the pool water will also stimulate the conjunctiva. If you feel sore or uncomfortable after swimming, you can use chloramphenicol eye drops appropriately to prevent eye infection.

What is the effect of low swimming temperature?

Once the swimming water temperature is lower than 10 degrees of the body temperature, plus swimming for a long time, the heat in the body will be continuously lost, and then there will be a cold feeling. At this time, you must go ashore immediately to let the body surface temperature rise in time. Otherwise, the continuous drop of body temperature will lead to serious symptoms such as arrhythmia and unconsciousness, and in severe cases, drowning will occur.

Does swimming hurt your knee?

Swimming won't hurt your knee.

Swimming can help reduce the pressure on the lower limbs caused by your own weight. Other sports will cause knee joint injury because of their great damage to the knee joint, while swimming can bear its own weight by the buoyancy of water, which will make the lower limbs and waist much easier and greatly reduce the risk of joint and bone injury.

How long does it take to lose weight by swimming? 2 What problems should we pay attention to when swimming to lose weight?

1, fully warm up before swimming.

To go swimming, you must do warm-up exercises before going into the water, otherwise you will easily strain your muscles and even drown because of leg cramps. Therefore, you must make full warm-up preparations on the shore before launching.

2. Choose the right swimming equipment.

Swimming is no better than running. Swimming has certain requirements for sports equipment. The first is a fitted swimsuit. If you want to lose weight, you'd better choose a professional swimsuit, which can make exercise easier. Besides, you should wear a swimming cap and goggles.

3. Choose the right swimming posture

If you want to lose weight, you'd better choose a swimming posture that can consume more calories. The swimming posture that is easier to lose weight is mainly breaststroke, because breaststroke can exercise leg muscles better and burn calories faster. Because breaststroke consumes a lot of energy, the combination of breaststroke and backstroke is a better posture to lose weight.

4. Swimming needs rest

Because exercise consumes a lot of calories, you should pay attention to rest and replenish water when swimming.