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September 2018    Download the Entire Issue (PDF) Vol. 33, No. 9   RSS Feed for Undercurrent Issues
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Fitness, Diving and Dehydration

how not to mix these three things in the wrong combination

from the September, 2018 issue of Undercurrent   Subscribe Now

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As times goes by, some of us are guilty of doing less exercise than we should. Others work hard at it. However, maybe those who exercise frequently should take a break from a physical fitness regime when on a scuba diving trip.

In his article about physical fitness for diving, Neal Pollock, research director at Divers Alert Network, writes that conducting intense physical exercise too close to diving activity can be problematic. "Bubble formation, while not equivalent to or a guarantee of decompression sickness, can indicate an increased risk for it. Intense physical activity -- generally with substantial muscular forces and joint loading, or the application of forces on joints -- is believed to transiently increase micronuclei activity, the presumed agent of bubble formation. Physical activity after diving may also stimulate additional bubble formation, possibly through a combination of increased micronuclei activity and increased joint forces....


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