Authors:
Purwo Sri Rejeki
1
;
Irfiansyah Irwadi
1
;
Widiarti
2
and
Misbakhul Munir
1
Affiliations:
1
Department of Physiology, Faculty of Medicine Universitas Airlangga, Jalan Mayjen Prof. Dr. Moestopo no. 47, 60131 Surabaya and East Java, Indonesia
;
2
Student of Sport Health Science, Faculty of Medicine, Universitas Airlangga and Surabaya, Indonesia
Keyword(s):
body mass index, medial longitudinal arch, flat feet, age, Indonesian kindergarten
Abstract:
Abstract: The medial longitudinal arch of the foot has clinical significance because it functions to absorb shocks to the feet and protect the feet from injury. The objective of this study was to look for a correlation between body mass index (BMI) and the medial longitudinal arch of the foot in children aged 5–6 years. Data were collected from 31 students of Khairunas Nurul Hayat Kindergarten, Surabaya, and a cross-sectional analytic observational study was undertaken using total sampling. BMI measurements were performed by weighing weight and height using a ruler The medial longitudinal angle was measured by using a footprint angle with a pegograph from Clarke. Data were analyzed using Spearman correlation analysis with SPSS. The data indicated that the participants’ weight was 16.42 ± 3.93 kg and their height was 109.16 ± 5.20 cm. The mean of BMI was 13.56 ± 2.29 with a distribution of 90.32% within normal BMI range, while the rest was not normal. The angle of the medial longitudi
nal arch was 15.32 ± 9.10°, with a distribution of 35.48% of students with flat feet and 64.52% with a normal foot arch. The result of a Wilcoxon–Mann–Whitney comparative test for the flat-feet group and the normal group was p=0.951. The result of a Spearman’s correlation test for BMI and medial longitudinal arch was p=0.355. There was no difference in BMI between flat feet and normal feet; and there was no correlation between BMI and medial longitudinal arch. In the future, research could be carried out using a larger number of research subjects, because the results suggested that the bigger the participant’s BMI, the smaller their medial longitudinal arch.
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