Flat Feet Research Today is a free monthly online journal that collates and summarizes the latest research about Flat Feet, including details on flatfoot, fallen arches, children, treatment, arthrodesis. | ||||||||
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Prevalence of flat foot in preschool-aged children.Pfeiffer M, Kotz R, Ledl T, Hauser G, Sluga M Department of Orthopedics, Medical University of Vienna, Waehringer Gürtel 18-20, 1090 Vienna, Austria. martin.pfeiffer@gmx.at OBJECTIVES: Our aim with this study was to establish the prevalence of flat foot in a population of 3- to 6-year-old children to evaluate cofactors such as age, weight, and gender and to estimate the number of unnecessary treatments performed. METHODS: A total of 835 children (411 girls and 424 boys) were included in this study. The clinical diagnosis of flat foot was based on a valgus position of the heel and a poor formation of the arch. Feet of the children were scanned (while they were in a standing position) by using a laser surface scanner, and rearfoot angle was measured. Rearfoot angle was defined as the angle of the upper Achilles tendon and the distal extension of the rearfoot. RESULTS: Prevalence of flexible flat foot in the group of 3- to 6-year-old children was 44%. Prevalence of pathological flat foot was < 1%. Ten percent of the children were wearing arch supports. The prevalence of flat foot decreases significantly with age: in the group of 3-year-old children 54% showed a flat foot, whereas in the group of 6-year-old children only 24% had a flat foot. Average rearfoot angle was 5.5 degrees of valgus. Boys had a significant greater tendency for flat foot than girls: the prevalence of flat foot in boys was 52% and 36% in girls. Thirteen percent of the children were overweight or obese. Significant differences in prevalence of flat foot between overweight, obese, and normal-weight children were observed. CONCLUSIONS: This study is the first to use a three-dimensional laser surface scanner to measure the rearfoot valgus in preschool-aged children. The data demonstrate that the prevalence of flat foot is influenced by 3 factors: age, gender, and weight. In overweight children and in boys, a highly significant prevalence of flat foot was observed; in addition, a retarded development of the medial arch in the boys was discovered. At the time of the study, > 90% of the treatments were unnecessary. Published 2 August 2006 in Pediatrics, 118(2): 634-9.
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