In constant weight, at the end of the descent, you have to turn to go back up, this is obvious. What is less obvious, is to do it the right way. Claude Chapuis details this move which has nowadays become fundamental in competition. It is also an essential security factor.

In freediving, the beginner and the champion have something in common: Equalisation problems. Here is Claude Chapuis' general analysis of this issue which isn't as simple as a matter of good or bad ears (4 - comment(s))

If this article resembles Les Cles de la Profondeur, by Claude Chapuis it is no accident and I admit I have in part borrowed unashamedly from his origional piece. (1 - comment(s))

Which competition organiser has never questioned their own management of the safety aspects involved in Constant Weight or other depth-based disciplines? Although the concept of safety is made up of many factors, the fundamental question remains: (6 - comment(s))

By Natalia Molchanova a world record holder in free diving, a scientific competitor at the catedral of theory and methodic of applied and extreme sports at the Russian State University of Physical Education, Sports and Tourism (3 - comment(s))

By N V MOLCHANOVA a world record holder in free diving, a scientific competitor at the catetedral of theory and methodic of applied and extreme sports at the Russian State University of Physical Education, Sports and Tourism. (13 - comment(s))