The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
him achieve depths of 152 meters (500 feet).
Manual of Freediving: Underwater on a Single Breath by Umberto Pelizzari and Stefano
Tovaglieri (www.fourhourbody.com/freediving) This is the freediver's bible. It's a
comprehensive manual on how to hold your breath, dive deeper, and swim underwater longer.
The book includes illustrations of underwater exercises, nning techniques, and selected yoga
postures to enhance lung capacity.
PowerLung Sport (www.fourhourbody.com/powerlung) This hand-held air-restricting device
improves breathing endurance and is popular among not only swimmers but also long-distance
runners, high- altitude climbers, singers, and even asthmatics. It's great for travel, and for
training around injuries.
Static Apnea Training Tables (www.fourhourbody.com/apnea) Customizable tables used by
aspiring freedivers to safely practice apnea when out of the water.
The Lung Vacuuming Technique (www.ftrain.com/lungvacuuming.html) This 20-second lung
annaabi.ee 
