cervical stenosis

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cervical stenosis

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cervical stenosis - January 5, 2002 8:18:00 PM

anurag_iph

Posts: 13
Joined: December 6, 2001
From: delhi,india
Status: offline

dear friends
extension increases symptoms of stenosis 'cause it narrios the the spinal canal..
can someone explain how the canal is narrowed

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anurag

Post #: 1

Re: cervical stenosis - January 8, 2002 5:35:00 PM

chipomalley

Posts: 156
Joined: January 7, 2002
From: Baltimore, MD
Status: offline

Not sure what your question is here. I believe the studies about canal width are explanatory and accepted as reasonable, I could probably find the references. There are diameter changes as related to morphological dimensions but what is your concern as it relates to PT?

Chip O'Malley

(in reply to anurag_iph)

Post #: 2

Re: cervical stenosis - January 18, 2002 10:03:00 PM

henryryry

Posts: 100
Joined: September 6, 2000
From: Brisbane, Australia.
Status: offline

Let see if I can remember this. As stated by bman, extension narrows the intervertebral foramen, which are formed by the facet joints, and hence results in compromise of the exiting nerve root and dorsal root ganglion. As well, the central canal is formed by the facet joints, and this becomes compromised also, especially when the fat pad (which are located next to the facet joints) swells out to protect the joint.

Henry***

(in reply to anurag_iph)

Post #: 3

Re: cervical stenosis - February 11, 2002 4:34:00 PM

Jacob Barr

Posts: 4
Joined: February 10, 2002
Status: offline

anurag,

With "extension" of the cervical spine (actually you are increasing the curvature of the spine..so "backward bending" would be more appropriate) symptoms of stenosis can be produced due to the following:

Degeneration of the posterior longitudinal ligament along with the ligamentum flava can allow those structures to infold on the canal giving rise to spinal cord pressure.

(in reply to anurag_iph)

Post #: 4

Re: cervical stenosis - February 12, 2002 1:56:00 AM

Sebastian Asselbergs

Posts: 1228
Joined: September 29, 1999
From: Barrie, Canada
Status: offline

And let's not forget that due to the orientation of the facet partners, backward bending has a small posterior "glide" component in the cranial partner of a couple of vertebrae - this slightly narrows the canal as well.

(in reply to anurag_iph)