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Figure 3 | Journal of Foot and Ankle Research

Figure 3

From: A comparison of foot arch measurement reliability using both digital photography and calliper methods

Figure 3

Digital photographic image used to calculate FL, TFL and AH. Lines were drawn on the image indicating the distal end of the hallux, the most posterior aspect of the posterior heel, and the horizontal supporting surface. The co-ordinates A-E were digitized and used to calculate the foot measurements. The horizontal distance between A and B gave FL. Point C was placed at the horizontal midpoint between A and B. The vertical distance between C and D represents AH. The horizontal distance between B and E yielded the TFL.

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