Determining the Highest Point of the Arch (HPA) https://www.pedorthics.org/forums/posts.aspx?topic=1795155 Mon, 15 Jun 2026 17:57:53 GMT Mon, 23 Sep 2024 15:15:16 GMT Copyright © 2024 Pedorthic Footcare Association Determining the Highest Point of the Arch (HPA) https://www.pedorthics.org/forums/posts.aspx?topic=1795155 https://www.pedorthics.org/forums/posts.aspx?topic=1795155 I would like some to hear comments regarding where the highest point of the arch (HPA) exists relative to the heel and forefoot. I take it that it would be where the navicular tuberosity lies, but this may not be the case; does anyone know this? Now I realize that there is an infinite variation of the actual height of the arch at HPA, but where is this?

If you were to draw a line from the medial 1st met head to the medial heel on a footprint (say a Harris mat), where (approximately) would be the HPA? I have had no success in finding biomechanical literature on this subject. Is there some formula one might adapt from autopsy findings?  

 

Submitted by: Jim Fisher, DPM, Eureka, CA

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