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Originally Posted by efattah
Many local divers initially have problems with frenzel around 30m, but after many, many dives, their flexibility gradually improves, and then they can frenzel to around 55m. Not many people can frenzel below 55m without lots of packing and lots of flexibility. Further, doing deep 'diaphragmatic-frenzel' equalizations requires a huge amount of effort. If you are just trying to use your tongue to frenzel, you are missing the whole exercise--a deep frenzel equalization is a whole-body struggle; piking foward, forcing your diaphragm with all your might & energy, bringing the air towards your mouth then using your tongue, while possibly simultaneously moving your jaw to loosen your eustachian tubes; touching your chin to your chest, etc...
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I have just managed to learn the frenzel technique, and I can do it dry and in the pool. I can only do it if I use my diaphragm slightly. (I am definitely doing the frenzel and not valsalva.) It doesn't work with completely empty lungs. Am I meant to use my diaphragm at all?
Lucia
