For those that are interested, I first coauthored the book chapter "Evaluation and Nonoperative Treatment of Pes Valgus", along with Dr. Don Green, back in 1990, and it was submitted to the publisher 23 years ago in October 1990 (Kirby KA, Green DR: Evaluation and Nonoperative Management of Pes Valgus, pp. 295-327, in DeValentine, S.(ed), Foot and Ankle Disorders in Children. Churchill-Livingstone, New York, 1992.)
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Steve DeValentine, DPM, who I was working with at the South Sacramento Kaiser Hospital doing a foot orthosis clinic a half day a week, had asked me and Don to do this chapter on the evaluation and treatment of children's flatfoot deformity for his upcoming book. It ended up that I wrote and illustrated most of the chapter and Don wrote and had an artist illustrate the part of the chapter on planal dominance. This was during my 5th year of podiatry practice and I was relatively unknown at the time. Steve DeValentine was taking a big chance on asking me to be primary author at the time since I had never written a book chapter and I reluctantly accepted the challenge. However, since I didn't know much about the history of flatfoot evaluation and treatment, other than the narrow amount of information I learned at CCPM, I needed to read papers for about two months before I could even begin to write the chapter.
In going back through my old files, I found a drawing and a photo which was published in the chapter that may be of interest.
The first one is my drawings from figure 13-5 C & D showing how a foot with ligamentous laxity will flatten in the medial longitudinal arch until the plantar ligaments and plantar fascia become tight to resist further arch flattening. This was from the day when I was doing all my drawings with black ink on drawing paper, and was well before the time when I started doing all my illustrations on a computer with, at first, a CAD program called GenCad, and later with the software program I still use to this day, CorelDraw. A great amount of work went into the 15 hand drawn illustrations (including many more individual drawings) for this chapter. I thought it may be valuable for all of you to see how much degradation occurs in image quality between when illustrations are produced for publication and to when they are eventually published. For this chapter, and the other chapters and papers I have written, it is not uncommon to have the illustrations require just as much total time as does the writing of the chapter/paper.
The second item is the original photo I submitted for an illustration of the Supination Resistance Test, a test which I created during my Biomechanics Fellowship in 1984-85 and first described, along with the Maximum Pronation Test in this book chapter. This photo was taken in my first office that I shared with three orthopedic surgeons. The photo was of a young boy that had been referred to me for custom foot orthoses, those are my fingers doing the Supination Resistance Test. One of my office staff took the photo. The image quality of the photo is much better than what was published also. You are all welcome to use the image for any lectures you may do on the Supination Resistance Test.
It is interesting to note, that during the research and writing for this chapter in 1989 to 1990, where I also first described the mechanism of action of the Blake Inverted Orthosis, I began to experiment with the Medial Heel Skive Orthosis Technique. I had been using the Blake Inverted Orthosis Technique since 1982 since this was when a few of us CCPM podiatry students began helping Rich Blake, DPM, who was our Biomechanics Fellow at the time, make these orthoses for his patients. The Medial Heel Skive Orthosis Technique was my idea to create a more simple and less complicated method to introduce a varus heel cup shape into the heel cup of an orthosis without the time-consuming and complicated positive cast work that was required of the Blake Inverted Orthosis Technique. I began experimenting with the Medial Heel Skive with the late Paul Rasmussen, owner of Precision Intricast Orthosis Lab, at the Lab in Lodi, California, in 1990.
Just thought that since it has been well over two decades since this all these events happened, and many of you have not been practicing podiatry that long, that a little history lesson might be valuable since these facts will otherwise be lost once I'm no longer able to remember them and/or describe them.
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Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot Duri
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When lateral wedge orthotics?
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Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot Duri
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When lateral wedge orthotics?
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