hi everybody
i´m pretty much a scuba diver and instructor for more than 10 years but since last year i´m in the process of shifting my underwater interests to more and more freediving. i´m sure you all understand why.
one of those hundreds of questions i have is this: my understanding of the safe depth limit for the avarage lung (let´s say 6 liters total, 1.5 liters residual) is 30 meters since at 4 bar surrounding waterpressure the lung will be compressed to it´s residual volume i.e. complete exhale.
now for me, since i´m the average dude, this is where it becomes important. i started using packing as a technique to help me equalise at depths below 30. this is very obvious since i increase my lungvolume before descending.
now i also have read some articles about bloodshift (increase of bloodvolume into the lungs) and the abdominal diaphragm which, if flexible enough, pushes upwards to a more or lesser degree.
i would like to receive some information on how this adaption process works, what kind of training is useful, how long does that take and of course where are the risks. also any personal examples might be interesting as well as any links.
i´m pretty much a fun freediver but i do enjoy going deeper also. increasing my cruising depths is a permanent ambition of mine and it keeps me trainig and not becoming too lazy.
fortunately i work as an instructor (for a living) for a great part of the year and get to freedive quite a lot on days off or mornings.
thanx already to those who are willing to spend some time and share some information.
keep cruising
roland
i´m pretty much a scuba diver and instructor for more than 10 years but since last year i´m in the process of shifting my underwater interests to more and more freediving. i´m sure you all understand why.
one of those hundreds of questions i have is this: my understanding of the safe depth limit for the avarage lung (let´s say 6 liters total, 1.5 liters residual) is 30 meters since at 4 bar surrounding waterpressure the lung will be compressed to it´s residual volume i.e. complete exhale.
now for me, since i´m the average dude, this is where it becomes important. i started using packing as a technique to help me equalise at depths below 30. this is very obvious since i increase my lungvolume before descending.
now i also have read some articles about bloodshift (increase of bloodvolume into the lungs) and the abdominal diaphragm which, if flexible enough, pushes upwards to a more or lesser degree.
i would like to receive some information on how this adaption process works, what kind of training is useful, how long does that take and of course where are the risks. also any personal examples might be interesting as well as any links.
i´m pretty much a fun freediver but i do enjoy going deeper also. increasing my cruising depths is a permanent ambition of mine and it keeps me trainig and not becoming too lazy.
fortunately i work as an instructor (for a living) for a great part of the year and get to freedive quite a lot on days off or mornings.
thanx already to those who are willing to spend some time and share some information.
keep cruising
roland