Title: Forefoot deformation during stance: Does the forefoot collapse during loading?
Authors: Duerinck, S ×
Hagman, F
Jonkers, Ilse
Van Roy, P
Vaes, P #
Issue Date: Aug-2014
Publisher: Butterworth-Heinemann
Series Title: Gait & Posture vol:39 issue:1 pages:40-47
Article number: S0966-6362(13)00255-5
Abstract: This study presents a specific description of forefoot deformation during the stance phase of normal human walking based on the combined analysis of pressure and three-dimensional optoelectronic measurements. Forefoot deformation is measured in forty healthy subjects using (1) a six-camera motion capture system (sampled at 250Hz) tracking five reflective skin markers attached to the forefoot, (2) a pressure platform (sampled at 500Hz) and (3) a forceplate (sampled at 1250Hz). Forefoot deformation is characterized by the forefoot width, the mediolateral metatarsal arch height and the plantar pressure under the metatarsal heads. Using this setup, a typical pattern of forefoot motion is described during stance phase: From a flexible, compliant configuration at the beginning of stance phase, characterized by a decrease in mediolateral metatarsal arch height and a controlled increase in forefoot width, the forefoot turns into a stable configuration during midstance. Subsequently, the increase in mediolateral arch height and the decrease in forefoot width describe the transformation into a tight configuration during final stance. This transfer from a compliant into a rigid configuration through stance phase rejects the idea of the forefoot as a collapsing structure under increased loading.
ISSN: 0966-6362
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Human Movement Biomechanics Research Group
× corresponding author
# (joint) last author

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