An Easy In-Office Test to Evaluate Foot Function

Thomas Michaud, DC- Dynamic Chiropractic
Nov. 15, 2015

If you’re in situation where you don’t have time to do a full gait evaluation, the method detailed in this article may be helpful.

“Since orthotics with varus posts have been proven to reduce the velocity of pronation15 and gait retraining can reduce impact force,16 measuring the arch height ratio may allow for improved clinical outcomes, as the patient’s foot architecture may be more precisely matched to the ideal intervention.”

Click on the title above for the full article.

Helpful material for you!

Kevin A. Kirby DPM

Dr. Kirby has been kind enough to share much helpful content on the Facebook page for his Podiatry practice.

There are a lot of helpful pictures and diagrams also….

Dig in and let me know if you have questions!

grind rf post 2 from Joe Vasquez on Vimeo.

This is a quick little video that might be helpful to those of you that want to see how to angle a RF (rearfoot) post.

Also, there are those of you that want to adjust the angle on a RF post on an existing orthotic while your patient waits.

As you see, the camera man is facing me while looking directly over the machine to get a clear view.

The first thing to notice:

4 seconds in: See how I tilt the orthotic slightly.

A little goes a long way here. It is a very slight tilt that you see. Tilting the distal, medial corner of the orthotic at the 1st met lower, or closer to your body will add a varus angle to the orthotic.

Tilting the opposite way will add a valgus angle. If you hold the distal edge parallel to the wheel, you will grind a flat angle into the heel.

27 seconds in: Notice how the sound changes when I start to contact the plastic….

When you are grinding, it is helpful to listen for the change in sound as the wheel starts to hit the plastic.

This is helpful because you will not have a sense of how much to grind off. When you hear the change in sound, it will help you to know that you are just about there!

 

Are you used to adjusting rf posts on your own?

What You Want To Know About Rearfoot Posting

  Hey everybody, I’d like to continue from the last post showing the video of the vacuum pressing procedure. Now we have our plastic shell, molded onto the positive cast. What next? This shell can be grinded to fit the foot and placed into the shoe and you will have an orthotic right? Maybe, maybe […]

Fine Tuning With File from Joe Vasquez on Vimeo.

I am thinking…

of contours and shapes here, as in the previous step. I want to remove any abrupt curvature that could be uncomfortable.

I can add…

an increase to the anterior metatarsal arch (AMA) to support the metatarsals. Think of this as a met pad built into the shape of the shell.

Also, I can increase calcaneal angle (ICA) to raise the distal aspect of the calcaneous and lock it up into the cuboid better.  This looks like a cuboid pad built into the shell shape. This results in a stable lateral arch if the calcaneal/cuboid joint is loose.

Both of these additions would take shape in the core shell material once it is molded to the cast. Modifications of this type are referred to as “intrinsic” to the shell.  I will be addressing both of these additions more specifically down the line here on the blog.

The benefits of intrinsic additions is that they take up less room in the shoe. Be aware that they are more permanent than adding a pad on top of the shell. To make changes, we would have to remake the devices as opposed to removing pads.

In the next video, we will take a look at molding the core shell material to the casts…

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How Long do Foot Orthotics Last?

Great question. So many variables at play here. One question that you can ask your patient is this: How long do your shoes usually last? If they wear through a pair of shoes each year, they will probably wear their orthotics out sooner than most people do. Serious runners, high impact athletes and children may fall into this […]

Foot & Luggage

4 Reasons Why You Should Read This Blog

I’ve been trying to figure out a way to communicate with my friends and colleagues better. We’ve had some great interaction using pictures and video. We have been able to discuss and design the best foot orthotics to fit into your treatment plan for your patients. I have noticed over the years that some of […]

foot propelling off stack of books