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Influence of heel valgus on foot motion during walking in children aged 3–8 years


Authors: L. Honzíková 1,2;  E. Kuboňová 1;  Z. Svoboda 1;  M. Janura 1;  J. Rosický 2
Authors‘ workplace: Katedra přirodnich věd v kinantropologii, Fakulta tělesne kultury, Univerzita Palackého, Olomouc vedouci katedry prof. RNDr. M. Janura, Dr. 1;  Ortopedická protetika, Frýdek-Místek manažer výzkumu a vývoje ing. J. Rosický, CSc. 2
Published in: Čes-slov Pediat 2015; 70 (6): 323-328.
Category: Original Papers

Overview

The optimal function of the foot is very important for postural stability and locomotion. One of causes of functional abnormalities in certain areas of the foot may also be heel valgus deformity. The aim of this study was to assess influence of heel valgus on the range of motion of selected foot segments during gait in children aged from 3–8 years. The participants were divided into three groups: unilateral heel valgus (n=12, age 5.8±1.6 years), bilateral heel valgus (n=8, age 5.4±1.4 years) and control (n=7, age 4.9±1.5 years). Heel valgus angle was defined as a deviation of heel axis from the vertical line. Five trials for each child were analysed using optoelectronic system Vicon MX (six infrared cameras, frequency 200 Hz). The results of our study showed that heel valgus significantly decreases hindfoot range of motion in the frontal plane and each observed group had different compensation mechanism.

Key words:
hindfoot movement, forefoot movement, kinematic analysis, biomechanics


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Neonatology Paediatrics General practitioner for children and adolescents
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