11.   Spinal fusion cages are hollow threaded cylinders filled with bone graft and placed in the spine opening created after a damaged disc is removed.

12.   Spinal fusions are done to relieve the pain caused by injured discs that have lost their cushioning ability.

13.   Spinal fusion cages are generally used in lower back surgeries, often a last stage treatment for a degenerative disc -- which left untreated causes unbearable pain.

14.   Two days after the injury, Taliaferro underwent spinal fusion surgery at the Ohio State Medical Center.

15.   Aikido instructor Jonathan Bannister of Seattle recalls teaching a man with a neck injury that had required spinal fusion.

16.   Blasier, the defense specialist in DNA and physical evidence, suffers from severe genetic back problems and left the case in December to undergo a radical spinal fusion.

17.   He had spinal fusion surgery Monday and was transferred from Ohio to Thomas Jefferson University Hospital in Philadelphia on Wednesday.

18.   He had successful spinal fusion surgery at Ohio State Medical Center before being transferred to Thomas Jefferson University Hospital in Philadelphia.

19.   In spinal fusion surgery, surgeons expose the fractured vertebrae, each about an inch long, and move them back into place.

20.   Sang faces spinal fusion surgery with implants to stabilize her spine and prevent the bones from sliding into each other.