Holding ones breath while scuba diving

Question
Hey, hows it going? I am just wondering why one should not hold thier breath under water while breathing from an air tank. ....I know I do not know much about scuba diving but would like to learn


Thanks

Answer
Michael,

Holding your breath after breathing compressed air underwater, can cause lung over-expansion injury during ascent from depth.

Here is a detailed explanation of lung barotrauma:

http://www.deep-six.com/page63.htm

Hope this helps,

Henry Babcock
AllExperts SCUBA Expert