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1. Something that every cystic fibrosis has to do. It helps loosen the thick mucus in their lungs. If cystic fibrosis patients miss their chest physical therapy they can get sick! Cystic fibrosis patients have to do this numerous times a day, about 2-4 times a day usually 30 minutes each time.

2. It is also called by many CF patients: pounding or beating
1. Cystic fibrosis patients have to do chest physical therapy to loosen mucus in their lungs.
2. I gotta go get a pounding to clear my lungs!
by Sixtyfiveroses February 26, 2012
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