Swimming consumes a lot of calories per unit time, and the buoyancy provided by water can provide support for bones and joints to prevent sports injuries.

2. Deficiencies

Because there are many people in public swimming pools, it is inevitable that there will be some germs carriers who are easily infected with beriberi, eye infections and other diseases.

After soaking in water, the epithelial layer of external auditory canal will soften and swell, the stratum corneum will be destroyed, and the anti-infection ability will be obviously weakened. At this time, pathogenic bacteria can easily invade and cause otitis media.

Low water temperature for a long time will slow down the blood circulation of joints, make muscles and ligaments stiff, and lead to arthritis. 1, advantages

There are many training equipments.

Barbells, dumbbells, kettlebells, treadmills, elliptical machines, mountaineering machines, whether aerobic or anaerobic, there are always a lot of equipment to practice in the gym. If you are tired of training, you can occasionally change your training taste through courses offered by different gyms.

2. Deficiencies

Need to wait

Gyms can use equipment together during peak hours. At this time, waiting is inevitable. If the waiting time will make your body cold, it will really be disappointing.

Advantages and disadvantages of fitness and weight loss