Low Back Health – the Right and Wrong Information

March 30, 2007

This is wrong:Lumbarextension 

When you do exercises that extend the spine, the vertebrae do NOT compress the discs as this picture suggests – quite the opposite.

Here is what really happens when you extend the spine:

Spinal_ext_4As the spine moves into lumbar extension as in arching the back, the axis of rotation shifts to the facet joint which increases disc space in both the front and the back of the disc.

What’s so good about this?

It relieves axial compression hence nerve impingement. As the muscles become stronger over time, permanent increases in the disc spaces are enjoyed and pain is greatly diminished or even eliminated.

So when your PT or MD says "Stay away from arching your back!" bend over backward to send them here!

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