THE DOCTOR WILL "C" YOU NOW
'(<a href="http://www.j-archive.com/media/2011-11-14_J_15.wmv">Jimmy of the Clue Crew shows an anatomical animation on the monitor.</a>)  With osteoporosis, the vertebrae in the spine are weakened, & when forced against each other, can result in this common type of fracture'
a compression fracture