title: Repeatability of a 3D multi-segment foot model protocol in presence of foot deformities.
abstract: Repeatability studies on 3D multi-segment foot models (3DMFMs) have mainly considered healthy participants which contrasts with the widespread application of these models to evaluate foot pathologies. The current study aimed at establishing the repeatability of the 3DMFM described by Leardini et al. in presence of foot deformities. Foot kinematics of eight adult participants were analyzed using a repeated-measures design including two therapists with different levels of experience. The inter-trial variability was higher compared to the kinematics of healthy subjects. Consideration of relative angles resulted in the lowest inter-session variability. The absolute 3D rotations between the Sha-Cal and Cal-Met seem to have the lowest variability in both therapists. A general trend towards higher σ(sess)/σ(trial) ratios was observed when the midfoot was involved. The current study indicates that not only relative 3D rotations and planar angles can be measured consistently in patients, also a number of absolute parameters can be consistently measured serving as basis for the decision making process.
authors.affiliation: Division of Musculoskeletal Disorders, University Hospitals Leuven, KU Leuven, Belgium. kevin.deschamps@uz.kuleuven.ac.be
authors.forename: Kevin
authors.initials: K
authors.lastname: Deschamps
authors.forename: Filip
authors.initials: F
authors.lastname: Staes
authors.forename: Herman
authors.initials: H
authors.lastname: Bruyninckx
authors.forename: Ellen
authors.initials: E
authors.lastname: Busschots
authors.forename: Giovanni A
authors.initials: GA
authors.lastname: Matricali
authors.forename: Pieter
authors.initials: P
authors.lastname: Spaepen
authors.forename: Christophe
authors.initials: C
authors.lastname: Meyer
authors.forename: Kaat
authors.initials: K
authors.lastname: Desloovere
mesh_terms: D000328:Adult; D000368:Aged; D001696:Biomechanical Phenomena; D016022:Case-Control Studies; D005260:Female; D005528:Foot / Q000502:physiology*; D005530:Foot Deformities / Q000175:diagnosis* / Q000534:rehabilitation*; D006801:Humans; D021621:Imaging, Three-Dimensional; D008297:Male; D008875:Middle Aged; D008953:Models, Anatomic; D016059:Range of Motion, Articular / Q000502:physiology*; D012016:Reference Values; D015203:Reproducibility of Results