When is the best time to swim for weight loss?

　　80% of people believe that swimming is the best sport in summer, as it can escape the heat and make you feel happy.； There are also weight loss topics that young girls love to hear, which can be solved in swimming events.

　　Swimming consumes the most calories to lose weight

　　Some experts have analyzed this: The thermal conductivity coefficient of water is 26 times greater than that of air, and heat loss in water of the same temperature is more than 20 times faster than in air. This will effectively consume people's calories. Tests by exercise physiologists show that if you swim 100 meters in water, you will consume 100 kilocalories of heat energy, which is equivalent to running 400 meters on land, riding a bicycle for 1,000 meters, or skating for 1,500 meters. This is why you will feel hungry soon after swimming.

　　water pressure prevention disease

　　When swimming, the human body is in a horizontal state, which is very conducive to the return of blood from the lower limbs and body veins to the atrium. The pressure of the water on the chest promotes deeper breathing and increases lung capacity. The water temperature has a greater impact on the heart. skin Cold stimulation causes blood vessels to contract and expand rapidly. There is a swimming pool in Japan Hospital , specially uses training methods to treat people with kidney disease, obesity, asthma, allergies and other endocrine system diseases, and help them exercise body, recovery healthy . Swimming is a whole-body exercise. Because there is buoyancy in the water, there is no need for additional physical strength to support the body when moving on the ground. Therefore, treatment is slow sexually transmitted diseases is very beneficial. When swimming, the chest and abdomen are subject to water pressure, and the function of respiratory muscles is strengthened. It can also treat tracheitis and emphysema.

　　Tips for losing weight by swimming for beginners

　　Swimming is divided into butterfly, backstroke, breaststroke and freestyle. Beginners usually start with freestyle or breaststroke. Let’s talk about the essentials of action here.

　　freestyle

　　Body posture: The body should be as straight as possible, and the movements of the legs should be just above the water to draw water.

　　Arm movements: Enter the water, stretch, hold the water and paddle inwards, paddle upwards, and move your arms.

　　Kick: Keep your legs together, do not bend your knees too much, and kick downwards. Breathing: Turn your head toward your shoulders and out of the water to breathe. There are light breathing and deep breathing.

　　Rhythm: 6 kicks, 1 stroke with each arm.

　　backstroke

　　Body posture: your ears are just placed in the water, your buttocks are just under the water, your feet are just above the water, and your head is kept stable.

　　Arm movements: Enter the water, hold the water, stroke downward, stroke backward, stroke for the second time, reset, and move the arm.

　　Kick: Keep your legs close together and kick up and down alternately. The knees can be bent but not exposed to the water. Breathing: Exhale as you move one arm, breathe in as you move the other arm.

　　Rhythm: 1 arm stroke, 6 kicks.

　　butterfly stroke

　　Body posture: Shoulders must be kept on a horizontal plane, hips close to the water, head entering the water before arms, and head lower.

　　Arm movements: Entering the water, paddling outward and holding the water, paddling down, paddling in, paddling up and moving the arms.

　　Kick: Start with your legs together without bending your knees. Once your heels are out of the water, kick downwards.

　　Breathing: Start breathing on the upward stroke.

　　Rhythm: 1 arm stroke, 2 kicks.

　　breaststroke

　　Body posture: Keep your head and hips as high as possible, with your body based on your chest.

　　Arm movements: Outward stroke, holding water, downward stroke, extension. Kicks: stretch, retract the legs, kick the legs outward, kick the legs downward, and kick the legs together inside.

　　Breathe: Breathe as you make powerful inward strokes with your arms.

　　Rhythm: Ensure that the kicking action is completed with the arms extended.

　　tour Reasons why swimming is not effective in losing weight

　　In terms of consuming body heat, swimming is undoubtedly a very good exercise. Because the heat conduction speed of water is 26 times that of air, that is to say, at the same temperature, the heat energy consumed by people in water is more than 20 times that on land. But why do some people have poor weight loss results by swimming?

　　When it comes to exercise and weight loss, we must first understand the mechanism of exercise and energy consumption. During exercise, energy consumption is completed in three stages, namely sugar metabolism, fat metabolism, and protein metabolism. Weight loss is achieved through fat consumption.

　　At the beginning of swimming, it is in the anaerobic stage. Energy consumption mainly relies on the anaerobic glycolysis of sugar. The exercise at this stage is very intense. People are short of breath and have insufficient oxygen supply, so fat will not be used at all. If you continue to exercise, your body will begin to enter the aerobic exercise period. During the subsequent hour of moderate-intensity exercise, energy supply is provided by aerobic metabolism of sugar. You won't burn fat during this hour either. If you continue to exercise, you will begin to consume fat through aerobic metabolism of fat. Therefore, swimming will only start to have a weight loss effect after at least one hour of continuous exercise. Some people do not exercise enough time or do not exercise enough to achieve the effect.