Low Back Pain, Lumbar Back Pain, LBP, (or Lumbago.)

This complaint is well known to at least 80% of people.  

The cause can be ascertained in many cases with the help of modern diagnostic techniques such as MRI.  

In other cases these modern diagnostic techniques only serve to exclude all known and understood causes leaving "Non-Specific Low Back Pain"

(or "Discogenic Back Pain" as there is some evidence that such pain originates in the disc.)

In this website I suggest that the origin for this Non-Specific Low Back Pain lies in an unexpected, and as yet unrecognised, limitation on the flexion of the lowest two discs L4-5 and L5-S.

These two discs, and only these two, have evolved in the human spine to have their normal range of flexion and extension only on the extension side of what might be called the central position (parallel sided).  In other words the wedge shape of the disc, as seen in lateral x-ray, will always be maintained.  The thickness of the disc anteriorly will always be greater than the posterior thickness.

   This suggestion raises a multitude of questions:

1) Is this suggestion supported by any published work ?

2) Is there a therapy corresponding to this ?

3) Why has this strange shape evolved in the human spinal column ? (Columns are straight !)

4) What is the pain causing mechanism ?

5) Why is the pain so severe and so persistent?

6) What causes flexion to be excessive in an individual ?

7) Will flexion beyond this parallel sided limit always cause pain ?

8) Is this flexion limitation to be found in all of us ?

9) If the answer to question 6 is the cause, what is the solution ?

10) How is this connected with disc degeneration ?

   11) I dont understand the argument !


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