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Do Rigid Orthotics Have A Use-by Date?If so, looking for inner Brissy pod...


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#1 rivercat

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Posted 23 April 2008 - 01:52 PM

I've had my current rigid plastic orthotics (ex-Melbourne) for about 3 years. I got them for running after I managed to get a stress fracture with the previous orthotics (they're still in my ski boots, they're fine for walking and standing...)

A few months ago I discovered a ganglion cyst on top of my left foot. I keep hoping it's shrinking but I think it's there for the long haul now (grr). So now I've started wondering if I need my orthotics checked or changed, especially since I've now increased my running quite a bit (for me, anyway). The cyst predates the running increase by a good two months, so I can't blame it on my running style (which I suppose is a good thing).

Should I see a pod and get my orthotics reviewed? And if so, are there any in Brisbane inner/south who work with rigid orthotics? Softer orthotics seem to be the norm these days, but I've got used to mine and don't particularly want to change unless there's a good reason. I'm tired of learning to walk/run/ski again every few years. Are softer ones now considered better, or just more comfortable?

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#2 Phoenix

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Posted 23 April 2008 - 08:35 PM

Hi River Cat,

I've had a couple of sets of hard orthodics, though I understand they're currently out of fashion and many pods favour the newer soft but firm style.

I was told by my Podiatrist that you should go and have a gait check every 2-3 years to see if your pronation has become more severe.

Having said that I had my 1st set of orthodics for 10 years and only went back to the podiatrist when I started to have re-curring lower leg injuries. Have had my second set for 21/2 years.

#3 FrankieP

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Posted 04 May 2008 - 01:24 PM

I agree it's probably about time you had another checkup anyway, especially with that cyst there possibly affecting function.

I went to InTraining in Milton last month and saw the running poddy's there, lovely to deal with, did gait analysis and got to trot around in new runners too to be sure I got the best ones for me. :)

#4 Duffman

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Posted 04 May 2008 - 05:03 PM

Hi Rivercat,
If you're concerned you might encounter problems now that you are doing more running then I would say that warrants a trip to the podiatrist simply for preventative purposes.

The thickness / type of material used for your orthotics generally depends on the forces it needs to resist (but quite often it's a case of who you see). This is determined by your:
  • Pronatory force / supination resistance
  • Body weight
  • Age
  • Activity
The greater the force applied to the device, the more resistance required from the device for it to do its job. Soft/EVA devices tend to be more popular as they are easier and cheaper to modify, and feel less intrusive under the foot, however they dont offer the same resistance as rigid devices.

The lifespan of your orthotic will also depend on the forces it is subject too. This can be anywhere from 1-3 years as the materials will deform over time.