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If I can't carry it, I don't dive it. Make it a point of not letting someone carry my "stuff". I appreciate the chivalry offered, but if I don't carry it, I will loose my strength. So actually, chivalry is not doing us any favors. When I was still diving doubles, I did leg presses and carried...

not heaving read the full article, there are two things to consider 1. Type of rebreather and if a dust filter was in place 2. type of sorb as some sorb is more dusty than other

The Rebreather Exploration and Research Organization In the Reference Library, go to page 39 for various articles

Because most divers think that they actually dive a GF that they dialed in when in fact they are way lower than that. Most don't get that - that's why I make the point. Good for you if you got it

What I am referring to is a summary. i.e. you dialed in a 50/80 but unless you execute the dive perfectly, you dive something different than what you dialed in. Shearwater should be able to recalculate the dive and give a GF total of the dive. This would hopefully demonstrate that most divers...

forming other divers' thinking cannot and should not base that thinking on junk science (or worse, gut feeling). It's irresponsible at best! Who needs science! Heck, look at all the evidence we have on the use of Nitrox and people still claim they can "feel" when they are diving air. Now people...

Really! Wish that advice would have been given in other posts on this board!

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Lol

In that post above, some touched on the concepts of "preconditioning" and "seeds". It appears that if you can reduce the number of micronuclei prior to the dive, there are fewer bubbles... an arguments that bubbles require micronuclei in the first place. It also appears that vibration...

I just noticed that not all the references of the article were loaded. That has been corrected now. C

TRERO Website just posted another review of a scientific topic: Shaken, Not Stirred – Spending Time On A Vibrating Mattress Reduces Bubbles During a lecture preparation, I came across an article from 2009 describing that spending time on a vibrating mattress, before the dive, reduces bubbles...

There have been quite a few scientific publications in the last 15 years on the subject. Generally speaking, the results suggest that a fit diver has an advantage over an unfit diver regarding DCS. Exercising before diving appears protective, as well, but the timing has not been universally...

OK Duke, perhaps we are misunderstanding each other, my apologies. I think the point Lovering etal. and Madden etal. are making is that IPAVA open during exercise and oxygen closes them, and that the idea is, that while you have oxygen available and are exercising towards the boat, climbing up...

Thank you Duke for your response. Please note that the suggestion is to continue to breathe oxygen until one has rested for a few minutes. The studies are quite clear that IPAVA open in some people even during mild exercise. Breathing oxygen in the context of IPAVA opening prevention is...

Why You Want to Stay on Your Loop AFTER the Dive December 28, 2016 I recently summarized a 2013 article about IPAVA (Intrapulmonary Arterio-Venous Anastomoses) shunting bubbles from the right side to the left thus risking type II DCS. Further review on this topic revealed more articles and...

Santa was very generous :):) C

Again, unless there is some scientific study to back it up, I am careful about hear-say. Excessive adipose tissue alone has NOT been proven to be a risk factor. Even DAN has to back up their claims. Now, there are studies that have not looked at adiposity isolated from age and fitness level...

I totally agree with you. We know that most of us generate bubbles and most of us don't get bent! However, I am not aware of a study (that considered cofounding variables of fitness and age) that showed that increased body fat leads to DCS. So the statement made in the article is either...

Let me make a "correction" about one of the statements in this article: " since there is a direct correlation between reduced body fat and a reduced incidence of DCS." A recent study in 2012 and 2013 reports that body fat is not relevant in bubble formation. Schellart NAM, Vellinga TP, van...