Figure 3From: A radiographic and anthropometric study of the effect of a contoured sandal and foot orthosis on supporting the medial longitudinal arch Measurement device for dorsal arch height using a modified digital caliper (Model #700-126, Mitutoyo America Corp, Aurora, IL 60502). A 1.2 × 5.0 × 10.0 cm plastic block holds the caliper vertically. The arch height is measured by a sliding metal rod extension of the caliper arm.Back to article page