I am at good health and i am an avareg swimmer training 3times a week each about 3-4 km and 1-1.5h additionaly i do some running. So: at all i consider myself to be in a "damn good physical condition". Since i consider this to be enough to make able to dive 25m which i tend to train more or less regular but in about 90 percent i only do some three breast strokes and than feel like exploding. Also i dont see any light on the horizon (ie i dont seem to get a better diver).
Is there some reason from daily life making me not to predestined for diving (like beeing a heavy coffe drinker, less sleep which does not really fit on me but sometimes does fit on me).
awaiting input Matthias Pfeifer, germany
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I am at good health and i am an avareg swimmer training 3times a week each about 3-4 km and 1-1.5h additionaly i do some running. So: at all i consider myself to be in a "damn good physical condition". Since i consider this to be enough to make able to dive 25m which i tend to train more or less regular but in about 90 percent i only do some three breast strokes and than feel like exploding. Also i dont see any light on the horizon (ie i dont seem to get a better diver).
Is there some reason from daily life making me not to predestined for diving (like beeing a heavy coffe drinker, less sleep which does not
Free diving is a different sport entirely - while good aerobic potential helps, it's the ability to resist the urge to breath while making the most efficient swimming motions that is key. Smokers can have an edge here because they're accustomed to higher levels of CO2, which is what drives the urge to breath. It's not the lack of oxygen.
If you're pushing off the wall violently to get a head start, try instead to just drop into the water and slowly move. I'll take 40-50 seconds to cover that distance when I can do it successfully.
I was wondering about this also. Does it help to hyperventilate before diving? How long can you resist the urge to breathe before you die? Do you see stars or something when you are passing out due to lack of oxygen?
[email hidden] (Jason O'Rourke) wrote in message news:<[email hidden]>...
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Matthias Pfeifer said:
I am at good health and i am an avareg swimmer training 3times a week each about 3-4 km and 1-1.5h additionaly i do some running. So: at all i consider myself to be in a "damn good physical condition". Since i consider this to be enough to make able to dive 25m which i tend to train more or less regular but in about 90 percent i only do some three breast strokes and than feel like exploding. Also i dont see any light on the horizon (ie i dont seem to get a better diver).
Is there some reason from daily life making me not to predestined for diving (like beeing a heavy coffe drinker, less sleep which does not
Free diving is a different sport entirely - while good aerobic potential helps, it's the ability to resist the urge to breath while making the most efficient swimming motions that is key. Smokers can have an edge here because they're accustomed to higher levels of CO2, which is what drives the urge to breath. It's not the lack of oxygen.
If you're pushing off the wall violently to get a head start, try instead to just drop into the water and slowly move. I'll take 40-50 seconds to cover that distance when I can do it successfully.
Smokers can have an edge here because they're accustomed to higher levels of CO2, which is what drives the urge to breath. It's not the lack of oxygen.
Yeah, right. Where did you pick up this "smoker's edge" theory?
I was wondering about this also. Does it help to hyperventilate before diving? How long can you resist the urge to breathe before you die? Do you see stars or something when you are passing out due to lack of oxygen?
You can go several minutes without dying, but you might need to be revived with AR by someone else. For free divers that go to depth, this is a real problem. Coming up the partial pressure of oxygen drops and they can pass out (shallow water blackout). But in a pool, that isn't an issue. Hyperventilate all you want. Stay relaxed as long as possible, then thrash wildly when you think you can stand it anymore. 75ft can be achieved by most - I'm a pretty bad free diver and I can do it 1 in 3 times or better.
Smokers can have an edge here because they're accustomed to higher levels of CO2, which is what drives the urge to breath. It's not the lack of oxygen.
Yeah, right. Where did you pick up this "smoker's edge" theory?
It's pretty clearly spelled out.
At the performance level we're talking about (25m, less than a minute), no one needs to breathe. We think we do, driven by the C02 reflex.
If instead you want to talk about 5min dives to 100ft, that potential edge has been eliminated.
I was wondering about this also. Does it help to hyperventilate before diving? How long can you resist the urge to breathe before you die? Do you see stars or something when you are passing out due to lack of oxygen?
You can go several minutes without dying, but you might need to be revived with AR by someone else. For free divers that go to depth, this is a real problem. Coming up the partial pressure of oxygen drops and they can pass out (shallow water blackout). But in a pool, that isn't an issue. Hyperventilate all you want. Stay relaxed as long as possible, then thrash wildly when you think you can stand it anymore. 75ft can be achieved by most - I'm a pretty bad free diver and I can do it 1 in 3 times or better.
According to what I've read, one should be careful about hyperventilating, especially when not being watched. Hyperventilation increases carbondioxide removal from bodytissues, but does not actually increase the oxygencontent of blood, which means you can't ("shouldn't"😉 actually hold your breath any longer, it just feels that way. This can lead to the oxygen content of the blood reaching critically low levels before the carbondioxide buildup forces one to breathe, leading to a loss of consciousness.
You can go several minutes without dying, but you might need to be revived with AR by someone else. For free divers that go to depth, this is a real problem. Coming up the partial pressure of oxygen drops and they can pass out (shallow water blackout). But in a pool, that isn't an issue. Hyperventilate all you want. Stay relaxed as
Under NO circumstances hyperventilate since this will drop your CO2-content in the blood leading to a later urge to breathe which will let you swim underwater longer. However there are no receptors which tell you when youir oxygen content is all used up and you will suddenly become unconscious without any warning or prior symptoms which is also called the pool-black-out. Your will drown then if not watched. Most people think by hyperventilation they can increase their Oxygen content in the blood but this is an error since at normal conditions your blood (or better said erytrocytes) are already satured by 98% with oxygen, so hyperventilation will not increase this level. Better said, hyperventilation is likely to kill you by sudden unconsciousness due to the lack of oxygen!
Note that the shallow water blackout is something different from the pool-black-out!
Don't do that and always have a pal staying outside the pool watching you while you dive since when you suppress the urge to breathe you can also suffer from sudden unconsciousness!
Marc
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Note that the shallow water blackout is something different from the pool-black-out!
Don't do that and always have a pal staying outside the pool watching you while you dive since when you suppress the urge to breathe you can also suffer from sudden unconsciousness!
Remember again the context - swimming 25m. But I'll accept your warning that pool black outs can happen too, and yes, if one is pushing it they shouldn't do it alone. I do think taking 2 or 3 breaths before the start is safe enough to do.
Don't do that and always have a pal staying outside the pool watching you while you dive since when you suppress the urge to breathe you can also suffer from sudden unconsciousness!
Remember again the context - swimming 25m. But I'll accept your warning that pool black outs can happen too, and yes, if one is pushing it they shouldn't do it alone. I do think taking 2 or 3 breaths before the start is safe enough to do.
Hey Jason,
being a life-guard instructor for some years now at the German Life-Saving Federation (DLRG) I have also experienced pool black outs whilst swimming 25m under water where I had to pull peeps out of the water immediately. I cannot stress this enough to be careful doing diving since people manage to suppress the urge to breathe pretty well as they told me afterwards.
Taking three deep breaths is accepted and should not do any harm. I think more important is hyperventilation or the suppression of the urge to breathe which will result in a black out.
Cheers,
Marc
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-- *************************************************************************** * Gravitation can not be held responsible for people falling in love * * (Albert Einstein) * ***************************************************************************
