What does posterior osteophytic spurring of the cervical spine do?

Grind creak and hurt. Can also be asymptomatic don't confuse image findings for a diagnosis to mak a diagnosis you need three parts history physical exam clinical impression confirmed on a appropriate image selected for known sensitivity and spe cficity for the diagnosis you are looking for.
Could cause pain. Essentially, what you are describing is pieces of bone sticking out in the back of a disc located on the spine in the cervical or neck region. These "spurs" can irritate soft tissue or berves leading to pain, swelling, numbness or tingling. If you have any of these symptoms it would be wise to consult an orthopedist or neurologist.