A novice can dive a few meters with his bare hands, and it doesn't matter how deep he can dive. The eardrum will be a little painful at first, so just get used to it. People who exercise regularly will have no problem diving to 10 meters with heavy objects, and then diving is not a matter for non-professionals; At present, few professional divers in the world reach the dive of 306 meters, and this limit is still being broken by future generations; However, there are also some professional divers who dive to a depth of 200-300 meters and die heroically. Therefore, non-professionals should not try to go below 100 meters, or even below 50 meters, otherwise their lives will be in danger.
The graceful feeling is that the leisure diving that people yearn for is to enter a completely different space in a state similar to weightlessness, which makes people completely relaxed and everything is natural. Look at all kinds of colorful exotic corals and fish on the quiet bottom of the sea. Communicate with peers with gestures and eyes. This kind of feeling is impossible to get on land, and it is also impossible for people who have not really dived into the bottom of the sea.
Physical exercise and diving can increase vital capacity. Enhance the strength of major muscle groups, improve swimming skills, exercise and even lose weight.
Knowledge acquisition can not only master a lot of physical, physiological and medical knowledge about diving and marine life, but also learn first aid and drowning rescue.
Fitness and Beauty Because diving breathes compressed air, oxygen molecules can better penetrate into the skin through the flow of blood and accelerate the metabolism of the skin, thus achieving the effect of beautifying the skin; Because people consume more heat energy in water than on land, diving has become a good way to lose weight and keep fit.
Exercise will diving can also exercise will and cultivate team spirit. Diving can exercise people's psychological quality, let people learn how to face unfamiliar environment and enhance their ability to cope with crises and emergencies. Divers and diving instructors, regardless of their level, must strictly abide by the diving companion system and cannot dive alone. Divers must take care of and help each other.
The buoyancy of water can also improve flexibility and make the movements of all joints of the body more flexible. Sports that can't be done on land, including muscles that can't be practiced, can be easily won in water.