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Foot Ankle Spec. 2015 Jun;8(3):186-93. doi: 10.1177/1938640015578520. Epub 2015 Mar 29.

Flatfoot in school-age children: prevalence and associated factors.

Author information

1
Musculoskeletal Research Center, Isfahan University of Medical Sciences, Isfahan, Iran (ESD, FJ);School of Health Sciences, University of Salford, Salford, UK (JMAM)Orthotics and Prosthetics Department, Isfahan University of Medical Sciences, Isfahan, Iran (FA, FS, MJ) sadeghi@rehab.mui.ac.ir.
2
Musculoskeletal Research Center, Isfahan University of Medical Sciences, Isfahan, Iran (ESD, FJ);School of Health Sciences, University of Salford, Salford, UK (JMAM)Orthotics and Prosthetics Department, Isfahan University of Medical Sciences, Isfahan, Iran (FA, FS, MJ).

Abstract

BACKGROUND:

Flatfoot has been shown to cause abnormal stresses on the foot and lower extremity. The altered mechanical stresses on these structures can aggravate the foot deformity. Screening of the flatfoot and its associated factors helps detect underlying risks influencing the stresses on the foot. The purpose of this study was to analyze the structure of the medial foot arch and investigate its associated factors in students, aged 7 to 14 years.

METHODS:

Multistage cluster sampling was used and each cluster included 2 other random sampling levels. A total of 667 Iranian school children were recruited and their feet were bilaterally evaluated using a static footprint while standing in a fully weightbearing position. The footprint, an observational measurement, and a questionnaire were used for the foot assessment.

RESULTS:

The prevalence of flatfoot was 17.1% in the population studied. There was no gender difference but the prevalence of flatfoot did decrease with age. The significant differences were observed in the prevalence of flatfoot between normal-weight, overweight, and obese groups (P < .01); more overweight participants had flatter feet.

CONCLUSION:

This study demonstrated that development of the longitudinal plantar arch in school-age children is influenced by age and weight. Age and weight were the primary predictive factors of flatfoot.

LEVELS OF EVIDENCE:

Prognostic, Level IV: Case series.

KEYWORDS:

flatfoot; footprint; school-age children

PMID:
25819811
DOI:
10.1177/1938640015578520
[Indexed for MEDLINE]

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