We just finished a study that measured the kinematic changes in pattern of rearfoot motion with and without foot orthoses to correlate that to symptom reduction at 4 weeks .... there was no correlation ....

http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=214



CP





-----Original Message-----

From: A group for the academic discussion of current issues in podiatry on behalf of [log in to unmask]

Sent: Tue 14/12/2004 12:42 AM

To: [log in to unmask]

Subject: Re: EVA vs Plastic/Carbon Fibre FFO's: Discuss

 

In a message dated 12/12/2004 9:48:57 PM Eastern Standard Time,

[log in to unmask] writes:



> I have checked the efficiency (not of orthoses from your lab, but of the #1

> lab in the country) by drawing a perpendicular line down the back of the

> heel, then having the patient stand on the orthoses. I was amazed at how little

> the calcaneus moved.



Stan, Jeff and others,



I can remember hearing Jim Ganley, DPM from PCPM lecture many, many years

ago.  He was adament that from examinations and dissections he had performed, the

calcaneus DID NOT evert past 0 degrees.   In my early days with EDG, I was

amazed that no matter how I posted an orthotic, the changes in the medial and

lateral heel sensors DID NOT CHANGE appreciably from heel strike until peak load

was achieved.  Changes where then very visible from peak heel load until heel

off.  Combining these two observations, I have come to see your above comment

as extremely accurate.  There is little we do to the calcaneal position with

a CFO.  Kevin Kirby is certainly accurate that moments and forces change, but

our entire podiatric biomechanical thought process is based on excessive STJ

movements.  Makes you stop and think that at least some of what we see is a

result of something else that is occuring.



Regards,

Howard



Howard Dananberg, DPM

21 Eastman Avenue

Bedford, New Hampshire 03110

603-625-5772

fax 603-625-9889

[log in to unmask]



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