Anastasia Bjelopetrovich



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Foot functionality is integral to normal human locomotion. The most commonly assessed area of the human body studied during locomotion is the medial longitudinal arch and its deformation. The Arch Height Index Measurement System (AHIMS) is the most reliable tool to measure this arch. This system typically measures arch deformation in two baseline conditions, sitting and standing. The sitting condition is considered unweighted and approximately 10% of a person’s body weight. The standing condition is considered a loaded condition and represents 50% of body weight. The first aim of this study was to see if the baseline measurements traditionally taken with the AHIMS were valid assessments of their perspective body weight conditions. The second aim was to characterize the body weight load and arch deformation relationship. This study used the AHIMS to replicate loaded body weight conditions during gait, from 10-120% of a subject’s body weight. The subjects’ arch height was measured at twelve different body weight measurements of 10% increments (10-120%) using a real-time force data stream. The subjects were also loaded with a weighted vest that contained 20% of their body weight in order to aid them in achieving the higher loads of weight. Their arch deformation was recorded at all 12 conditions. The results will further the understanding of how the foot and specifically the arch change during ambulation.

Publication Date


Project Designation

Honors Thesis

Primary Advisor

Joaquin A. Barrios

Primary Advisor's Department

Health and Sports Science - Physical Therapy Doctoral Program


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Effects of Body Weight Loading on Arch Height