Please explain: I'm not sure what you really mean by "involuntary burst of air.....from lungs." This could be anything really from a forceful cough to a sneeze. If the pain was sharp, immediately timed with the expulsion of the air and then, disappeared (the pain) then, I would not worry anything at all...probably sudden muscular contraction or even spasm of the back muscles which subsided instantaenously.
Answered 3/26/2015
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