Journal of the American Podiatric Medical Association, Vol 83, Issue 4 198-202, Copyright © 1993 by American Podiatric Medical Association

JOURNAL ARTICLE

Navicular drop as a composite measure of excessive pronation

MJ Mueller, JV Host and BJ Norton
Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO.

The measure of navicular drop has been used as an indicator of pronation at the foot. It is defined as the distance the navicular tuberosity moves in standing, as the subtalar joint is allowed to move from its neutral position to a relaxed position. The purposes of this study were to test the reliability of a method to measure navicular drop and to assess the relationships among measures of forefoot to rearfoot position, subtalar joint neutral position, and navicular drop. The results support traditional biomechanical theory but indicate that other factors contribute significantly to navicular drop.

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