He developed a technique that, according to him, works quite well. Its origin is unexpected: it dates back to the 1980s when he practiced boxing. His coach had him repeat a specific exercise to strengthen and toughen his abdominal muscles. Decades later, he realized it could be used for a much more practical purpose and adapted it for his work as a first responder.
## The Maneuver: Explained Step by Step
The principle relies on the force of the torso impacting the ground, which violently expels air from the lungs upwards. Here’s how to do it, as Raymond demonstrates:
1. **Get on your knees.** The situation is desperate: you can no longer breathe, and you must act quickly.
2. **Position yourself in a push-up position,** with your hands (or fists) on the ground. *(Raymond explains that he supports himself on his fists due to an old boxing injury in his right hand).*
