Database (7)

Learning and practicing VTO   The Initials BTV stand for 'Beance Tubaire Volontaire'. In the 1950's the French navy developed a technique for middle ear equalization called 'Voluntary Tubal Opening'. This technique is difficult to teach and only approximately 30% of taught can perform it reliably. This technique is similar to the events that happen in the back of your…
Stretching is one of the key elements that will increase our ability to perform a physical effort. As Freediving is a sport and involves exposing our body to high intensities and lots of pressure, a flexible body will reduce the risk of injury and allow fast recovery. According to the discipline performed, we will stretch relevant muscle groups. here are…
Breath Hold Training Tables Breath-hold training is an integral part of Freedive training. There are many approaches to wet/dry static training and they work for different people and for different goals. Below, you will find two simple training tables that are used by the majority of Freedivers. Those tables can (and are) personalized during the course to suit each student.…
The story of freedivingbegins as far back as 4500 b.c, when people had dived (without tank, of course) to gather sea shells and other marine animals for their survival. We all know the stories about the Korean and Philippine women divers that execute breathhold dives for very long durations and depth in order to gather pearls and sponges from the…
This document concentrates on the frenzel technique to equalize the ears. However, the frenzel technique, and all advanced variations, can also be used to equalize a mask at great depth. To equalize a mask, simply perform the frenzel without plugging the nose. Physiology Below is a cut-through view of a human head: * The passage that leads to the lungs…
Below, you will find 10 basic rules to keep you safe. These rules are designed to help you dive better while maintaining a high level of safety. I must state that even while following those rules things can happen, and that there is no substitute to propper education.  
Fixed weights: The Freediver is not allowed to remove his weights on the way up. This category is devided into 3 disciplines: