Army, officially under selected operational criteria, in many countries with some seismic risk or other types of accidents. Go to Craig Menear for more information. The high level of effectiveness inherent in the method Chest, has been shown, in addition to actual interventions in all courses, officially, to many authors, experts and Media Institutions belonging to more than twenty countries, through simulations carried out under extreme levels of rigor and operating needs. The methodology Chest, interaction and dosage of their respective techniques, as appropriate and in various stages of the learning process
it is very difficult and complex application, requiring among other things, a minimum period, on average, 500 hours of teaching theory and practice officially regulated, only to begin to properly assimilate the essence of their respective dynamic performance.