title: Plantar pressure measurements using an in-shoe system and a pressure platform: a comparison.
abstract: This study compared three different foot-pressure measurement methods to investigate whether these measurement methods could or should be used interchangeably. In-shoe pressure measurements using F-Scan system, shod and unshod pressure measurements using the MatScan system were taken for each of the 21 healthy subjects while performing walking trials using a two-step gait initiation protocol. Each foot was separated in three regions: forefoot (40%), midfoot (30%) and rearfoot (30%) for further analysis. The parameters researched include average peak pressure, average peak force, timing and centre of pressure displacement. The in-shoe condition produced the highest values for the average peak force. However, the shod condition showed a trend for the highest average peak pressure. The F-Scan system consistently demonstrated slower timing values for all parameters, except one. Centre of pressure anterior/posterior trajectory was considerably shorter for the in-shoe gait condition. Consequently, the data cannot be extrapolated from one collection method to another. It is therefore recommended that a standardised collection method is utilised when pressure analysis is undertaken and that they are not used interchangeably.
authors.affiliation: Faculty of Health, Staffordshire University, Stoke on Trent, Staffordshire, United Kingdom. T.LaroseChevalier@staffs.ac.uk
authors.forename: Thierry Larose
authors.initials: TL
authors.lastname: Chevalier
authors.forename: Helen
authors.initials: H
authors.lastname: Hodgins
authors.forename: Nachiappan
authors.initials: N
authors.lastname: Chockalingam
mesh_terms: D000704:Analysis of Variance; D005260:Female; D005528:Foot / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D012775:Shoes; D012815:Signal Processing, Computer-Assisted; D014160:Transducers, Pressure; D016138:Walking / Q000502:physiology*