Archive for August, 2009
Whiplash and Disc Injuries
Posted by: | CommentsWhiplash and Disc Injuries
As I was reviewing a few scientific articles the other day, I ran across an interesting study. Researchers from Yale University wanted to study how a disc is injured in a whiplash producing crash.
Here’s what the researchers already knew:
Whiplash can accelerate disc degeneration
Whiplash increases the rate of disc degeneration over a 10 year period
50% of whiplash patients report chronic pain 15 years after the trauma
39% of the victims show degenerative changes after 5 years
Attorneys know that pain and disc problems might not even show up for 1 to 2 years after the crash.
The disc is made up of a jelly filled center called the nucleus pulposis. The nucleus is surrounded by a tough outer layer called the annulus fibrosis. The annulus is made up of layer after layer of fibers arranged diagonally. If the first layer goes up and to the right, the second layer goes up and to the left. This cross pattern makes the disc very strong for weight bearing and normal movements.
The research from Yale was conducted by a world famous spine researcher named Manohar Panjabi, PhD. He found that the stresses caused in a whiplash crash can tear the fibers going in only one direction, ie up and to the left. This can explain why some disc injuries do not show on MRI until later.
If the every other layer is damaged the protrusion will not show until normal stress tears through the uninjured layers. This might explain why minor movements “cause” a disc protrusion. The weakness was already there, the stress finally broke through the remaining fibers.
When the fibers tear, the jelly of the nucleus will leak through that layer and put pressure on the nerve. If it causes the disc to protrude, it can trap the spinal cord or a spinal nerve. Both can be very serious problems. Trapping a spinal nerve can cause pain, numbness, tingling, burning pain or even loss of muscle strength. Trapping the spinal cord causes the same problems in a larger area of the body.
If you are involved in an automobile collision, be sure to have your spine checked. There is no such thing as “Just Whiplash.”
Patrick R. Lowe D.C.
Dr. Patrick Lowe is a chiropractor in Louisville, KY. He has dedicated hundreds of hours of research and class time on auto collisions and their effect on the human body. He enjoys working with crash victims and uses a comprehensive approach to helping them regain their health and lifestyle. You can contact Dr. Lowe at Lowe Chirorpractic & Wellness 10306 Shelbyville Rd, Louisville, KY 40223 or by emailing doclowe1000@aol.com www.lowechiro.com
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