Breathing Techniques

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Scubakevdm:
I get about 2 hours on a steel 100 at 60'. My secret? I alternate lungs. I breath with one while the other dangles shriveled and empty from its bronchial tube, then I switch them every other breath. I like to start out with my left, but you should start with whichever one you're more comfortable with. It takes some getting used to, but with just a little practice you'll be on your way to longer, more interesting dives.

Does that include Deco time?! :D

I think I'd want to keep one lung full while exhaling/inhaling from the other, to allow for full osmosis.

:2tongue: don
 
Good advices around here, but I´m missing something very common in new divers and easy to prevent: don´t use your hands for diving and make every movement vvvvvvvvvvvvvveeeeeeeeeeeeeerrrrrryyyyyyyyyyyyy sssssssssssssssslllllllllllllllooooooooooooooowwwwwwwwwwwwwwwwwwllllllllllllllllllllllllyyyyyyyyyyyyyyyyyy.
You´ll improve dramatically after a few dives, don´t worry about this to much, just relax and dive, dive, dive...
 
I agree with what everyone is saying in general about relaxing, doing things slowly, your environment and water type, ect. What you really need to do is go back to the basics of what you were taught (hopefully) for all that. Sure, we were all excited on our first several dives and had to learn to relax - everyone has been the newby coming up before the half hour mark while the "half man-half fish" people stayed another 45. Like so many have said, with time and being more relaxed and comfortable with your skills, your bottom time will improve. I do have a few suggestions my wife and I have used:

I tend to use up my air faster than the rest of my family (me, wife, 2 teenagers), so we have made it a practice for whoever is partnered up to share air for a few minutes here and there DURING the dive. This helps those of us that use air faster to have more bottom time, plus it's a great skill to practice with your buddy. It does not affect our diving in any way as we have full reg octupuses on every set of gear and just continue our dive while breathing off of one tank for a few hundred pounds before going back to our own air. It does not halt the dive in any way as we just continue along together instead of waiting until the safety stops to get the extra air. Also, all 4 of us are totally comfortable with air sharing, so if there is ever a "situation" during a dive requiring the need for this, that is one less thing for any of us to stress over.

Another thing we noticed pretty soon after we began diving is that we were using quite a bit of air on buoyancy - many others have mentioned this already. We have basically cut our weight in half over time which has helped (with experience). But if we still find ourselves needing to adjust our bouyancy often during the dive, we try to use the manuel inflator over the automatic inflator button. It works fine - you just need to practice it alittle to breathe in from your reg and out into your inflator hose. Again, it's another basic skill that is not a stressor for us since we use it regularly to conserve our air and gain bouyancy when having trouble.

I hope some of these suggestions have helped. I am amazed at how my bottom time ( and skills in general) have improved as I have gathered experience. Divelog #10 in Coz and divelog #90 in Coz were SSSSSOOOOOO different!! Good luck!
 
Another thought - A saying about diving is that it is said to be "the lazy man's sport".

Before you blast me, what I am just trying to remind you of is simply that although it is an intensive sport (which can include cardiovascular, aerobic, strength training, etc), it is imperitive to try not to excert alot of energy DURING the dive from things like "swimming" underwater, fighting bouyancy, catching up, getting stressed, etc. if you want to conserve air. You are getting a workout - aren't you tired and your muscles feel worked later??? Just try to ENJOY YOURSELF!! Be safe, be smart, and follow the basics. As with everything, the more you do it the better it gets.
 
buoyancy control is the key to breathing control
breathing control is the key to buoyancy control
bring the two together in one

Oooommmmmmmmmmmmmmmmm
Oooommmmmmmmmmmmmmmmm
 
Scubakevdm:
My secret? I alternate lungs. I breath with one while the other dangles shriveled and empty from its bronchial tube, then I switch them every other breath.

Does this cause you to float higher on the inflated side or do you add extra weight to side with the air?
 
What a great thread. I'm learning a lot here. Thanks, ya'll! I'll be using some of the techniques in my classes.

I do have a question for Walter, though. Why did you say it was not necessary to alter your breathing while on SCUBA? For the students I have who are not fish, they tend to breathe, in the beginning of their training, shallow and quick. I remember myself doing that when I was a new diver. This type of breathing is a sure fire way to burn through a tank. It does not allow for good buoyancy, or gas exchange in the alveoli.

Thanks again for a great thread.

Colin Berry
 
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