The basic diving activity is a water sport that contemplates the possibility of diving in safety, relying on an expert guide, rebalancing one's physical form .
It also helps to understand what it means to respect dive companions, themselves (fun in another environment, anxiety management, new experience) and the aquatic environment .
Approach the underwater world with serenity
The best way to approach the experience is a "water baptism " that in some diving facilities has a real magic imprint, like a sort of ritual that then remains pleasantly lived.
The second level can be to enroll in a basic training course in confined waters to master the equipment, attitude control techniques, the true meaning of the experience of diving with a companion. Many of the first exercises can take place in the pool and not immediately at sea or in fresh water.
Entrust yourself only to structures that require the completion of a medical questionnaire and, in some cases, require the delivery of the written declaration of good physical form by the doctor.
Seriousness is seen in small things, in the eyes of guides, in order, in hygiene, in punctuality.
Diving means getting in touch with the principles of buoyancy and with the physical laws related to pressure (weight of the atmosphere), density of water, incompressible liquid.
To be safe in safety it is necessary to abstain from alcohol and smoke and to remain very hydrated, both before and after the dive.
Diving is also a way to find silence by taking care of one's inner self
Immersion physiology: the theory
First, we approach the concept of positive snoet, or the tendency or ability to stay afloat on water . The diver, in order to immerse his body, must acquire a negative attitude, which means that the weight of the volume he moved must be greater than his weight, according to the principle of Archimedes.
For this reason there are forms of ballast with lead weights and the so-called GAV (variable weight vest) : this tool serves the diver to vary the volume of water displaced and corrects the attitude.
In addition to understanding the effects of sound and light on water, we will study the physiology of diving well, a very important part of not encountering MDD (decompression sickness) due to the accumulation of nitrogen in the tissues.
We study the air spaces of the human body that can undergo volume changes (stomach, intestine, middle ear, paranasal sinuses, teeth and, of course, lungs).
Deepening the consequences of air density, sound perception, thermal effects and heat dispersion, the effects of nitrogen and the toxicity of oxygen should not be a cause for concern, it is indeed a way to be more serene in the process of immersion.
Sports in the summer: train at the sea!
Immersion physiology: the practice
The theoretical part goes hand in hand with the practical part, which contemplates the use of the equipment .
The basic equipment consists of: mask, fins, snorkel, ballast system, cylinder, regulator, gauge and depth gauge, BCD and alternative air source.
Under water, in fact, it is not communicated except through manual and sound signals. The guides must illustrate all the situations in which a diver could be found and which are very important for becoming familiar with diving.
How to recover a regulator, how to empty the mask in the event of filling up with water, what to do in the event of a cramp, which means to compensate and how to ascend and descend into deep water.
Anyone who approaches basic diving must remember that the diver is a guest of the immersed world : interacting with aquatic life means not letting go of abrupt movements that could annoy marine animals; in fact a touch of hand or a finning can have consequences on the ecosystem.
Knowing the place where the dive was planned is also useful to know the movements of the currents, waves, backwash and tides.
If you develop a passion for diving, you can continue with the more technical certifications and the various specializations offered by the chosen school.
