title: Kinematic gait analysis in children with valgus deformity of the hindfoot.
abstract: Deformities of the feet in children can influence not only optimal foot development but also the development of other body segments. The aim of the study was to compare the hip and pelvis kinematics in groups of children with and without valgus deformity of the hindfoot. Three groups of children participated in the study: bilateral hindfoot valgosity (11 children, age 5.4 ± 1.4 years), unilateral hindfoot valgosity (14 children, age 5.6 ± 1.6 years) and the control group (8 children, 4.8 ± 1.2). Hindfoot valgus angle was measured clinically during standing. Hindfoot valgosity was considered in the range of 6 to 20 degrees. Kinematic data from five trials for each child was obtained using the Vicon MX system (six infrared cameras, frequency 200 Hz, Vicon Motion Systems, Oxford, UK). The results of our study showed significantly higher pelvic anteversion during the whole gait cycle for both unilateral and bilateral hindfoot valgosity children and significantly higher hip external rotation during the first half of the stance phase in bilateral deformity. The differences in the hip and pelvis kinematics, when compared to the control group, are higher for the group with bilateral deformity than in the group with unilateral deformity.
authors.affiliation: Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic.
authors.forename: Zdenek
authors.initials: Z
authors.lastname: Svoboda
authors.affiliation: Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic.
authors.forename: Lucie
authors.initials: L
authors.lastname: Honzikova
authors.affiliation: Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic.
authors.forename: Miroslav
authors.initials: M
authors.lastname: Janura
authors.affiliation: Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic.
authors.forename: Tabata
authors.initials: T
authors.lastname: Vidal
authors.affiliation: Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic.
authors.forename: Eliska
authors.initials: E
authors.lastname: Martinaskova
mesh_terms: D000843:Ankle Joint / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D060906:Coxa Valga / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology*; D005260:Female; D005413:Flatfoot / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*; D005684:Gait; D006621:Hip Joint / Q000503:physiopathology*; D006801:Humans; D008297:Male; D016059:Range of Motion, Articular; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D016138:Walking