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Eric, snip--- > Running and swimming seem to be the best thing for getting in > shape for diving, the physique of runners and swimmers is usually > the best for less drag and less effort in propulsion. Have to disagree here. Swimming obviously is an excellent method to train your aerobic system for diving, but running is EXTREMELY INFERIOR compared to cycling or swiming. You will find that if you learn how to cycle (like a racer, with proper bike shoes and binding pedal systems), that the muscle systems you work in a completely round pedal stroke, are ideal for diving. And persons who are HEAVY should not be running anyway, since it is too damaging to their skeletal systems. Freediving is good as a crosstraining tool, because it helps force you to learn an ecomomy of muscle use, and too slow your heart rate. I have found that it not only improves my ability to slow my heart/breathing rate on scuba, but that the freediving also has helped me in competitive cycling events---it has increased the volume of air I can bring in and out of my lungs, and helped my anaerobic capacity by making my system more efficient at converting lactic acid to a form of blood glucose and ATP (this is the goal of anaerobic capacity training, generally trained by intervals). For a diver, higher anaerobic capacity means that when you have one, or a series of emergency power/high power outputs required of you (chasing a lobster/fish; fighting a current/helping another diver in an emergency scenario, etc.) you have more available power and you recover much quicker. Since exertion of this magnitude can be lethal at extreme depths, this is much more significant in depths between 130 and the surface. Dan mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > > Dan Volker SOUTH FLORIDA DIVE JOURNAL "The Internet magazine for Underwater Photography and mpeg Video" http://www.florida.net/scuba/dive 407-683-3592
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