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Ballet Mom
Yep, here is the original quote.
My interview with Dr. Douglas Kiester
I don't want to put words in Dr. Kiester's mouth but I think his research showed him the basic mechanics of how an unnatural force combined with growth can lead to Scoliosis. In this case tight ligaments pulled the spine out of alignment as it grew. But that wouldn't necessarily exclude other potential problems. Other factors (like muscles) that produced a similar force could in theory trigger similar results.
Another example might be a tumor. Isn't there a type of Scoliosis triggered by a tumor in the spine? The tumor creates a force that causes the spine to grow curved. Once the tumor is removed the spine attempts to grow correctly again.
Ballet Mom
Yep, here is the original quote.
My interview with Dr. Douglas Kiester
Dr. Kiester) Scoliosis is not just a lateral bending of the spine. It is a lateral bend linked with rotation. For rotation to occur there must be an axis of rotation in the midline. I proved this with growing rabbits and a dog while I was still in training. What happens is while the spine grows, the back of the spine is tethered by the ligaments, while the front (where the vertebral bodies are which support the weight) grows without restraints. Eventually there is too much length in the front, and very tight structures in the back. The spine then pops off to the side creating a spiral around the tight structures in the back (which stay almost straight). As such it is growth that powers the curve. If the posterior structures can be stretched-out by hormones of pregnancy, exercise, sleep, etc. or the anterior structure shorten by dehydration of the disk, aging, hormones, etc.; then the curve would be expected to improve. After a certain amount of curve, gravity prevents spontaneous correction.
Another example might be a tumor. Isn't there a type of Scoliosis triggered by a tumor in the spine? The tumor creates a force that causes the spine to grow curved. Once the tumor is removed the spine attempts to grow correctly again.
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