Herbert Nitsch: No-limit apnea world record at -214 m

The Austrian freediver, Herbert Nitsch, defies the depths of the ocean and goes from one amazing feat to another. He has held the world record for freediving since 2007: - 214 meters! The British director Alexander Abela, who is also a freediver, shadowed him for many months while he trained, and also during international competitions in Greece and the Bahamas. In order to reach these extreme depths, Herbert draws on the breathing techniques of marine mammals and forces himself to do hours of training every day. At one with the sub-aquatic world, he is looking to go beyond Man’s limits rather than just break records. His dream is to go deeper than 300 meters!
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#documentary #diving #science #travel #limit #nature #apnea #greece #bahamas
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Meeting Herbert Nitsch is not only an amazing adventure, it's also a scientific one. This holder of 33 world records is constantly pushing back the limits of the human body.
Another freediving discipline is no less dangerous: no-limit apnea. This discipline, made popular by Luc Besson's classic "The Big Blue", allows you to descend to the deepest parts of the seabed. It consists of freediving without fins, using a cable and your arms to reach the greatest depth. During this dive, the freedivers are pulled by a rope, and when they reach their limits, they return to the surface using an air-filled balloon as a parachute. Herbert Nitsch will once again attempt to surpass his own limits and those of the human body, reaching -214 meters. A superhuman feat that no one else is capable of achieving in these vertiginous abysses.
Original title - The Deepest Man on Earth
© 2017, Licensed by CPB Films
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[@luisrene2633]

Incredible and dangerous

[@2days2cents]

I understand compression on the lungs as a person descends, due to increased weight of water surrounding the body, and then as the person starts to ascend back to the surface the lungs will actually start to have air (?gas) in them again due to decreased pressure on the body so the diver should exhale the air slowly out the mouth so the lungs do not explode. What puzzles me is how can the human body actually withstand this type of pressure to begin with? Also, If the human adult brain goes 4mins without oxygen, then according to medical professionals, we can acquire permanent brain damage. I was wondering if a free diver's blood is still pumping blood into the body while being under this intense pressure? I do know that Herbert sustained a brain injury on his record dive in 2007 and was wondering if it was due to lack of oxygen? Pressure on head? Or both?

[@hcktylr1]

I don't understand. Maybe I'm just not knowledgeable on this but I've seen no limit or freedivers with and without bottles.. I feel like a bottle could be cheating bc couldn't you just breathe into it and then back out like to get more air back into your lungs? I could be completely wrong. Not sure how that works

[@taneridle6299]

I think if it’s not a closed system (the bottle has air in it before it’s breathed into) you could be right, but otherwise you’re working with the same amount of air, because the total amount of air is from your lungs