Perbandingan Metode Foot Posture Index Dan Footprint dalam Klasifikasi Postur Kaki Serta Parameter Pola Jalan pada Remaja
Comparison Between The Foot Posture Index and Footprint Methods in Assessing Gait in Adolescents
DOI:
https://doi.org/10.51888/phj.v7i1.436Keywords:
Foot posture index, footprint, muskuloskeletal, pola jalan, remajaAbstract
Gangguan pola jalan dapat menyebabkan masalah muskuloskeletal pada remaja. Postur kaki yang baik memengaruhi efisiensi berjalan, yang dapat diukur melalui parameter pola jalan seperti stride length dan cadence. Metode Foot Posture Index (FPI) dan Footprint merupakan dua instrumen yang dapat digunakan untuk menilai postur kaki, namun variasi akurasi di antara keduanya dalam memprediksi parameter pola jalan masih perlu dikaji. Tujuan penelitian ini adalah untuk mengetahui tingkat kesesuaian antara metode FPI dan footprint dalam mengklasifikasikan postur kaki serta membandingkan parameter pola jalan pada remaja. Metode penelitian ini adalah studi komparatif dengan rancangan cross-sectional melibatkan 35 orang remaja yang dipilih melalui teknik purposive sampling. Analisis kesesuaian antar metode menggunakan uji statistik Cohen’s Kappa dan One-Way ANOVA untuk menguji pengaruh postur kaki terhadap stride length dan cadence. Hasil uji statistik menunjukkan diskrepansi tinggi dengan nilai Cohen’s Kappa sebesar 0,039 (p=0,692; p > 0,05) dimana tidak terdapat kesesuaian yang signifikan antara kedua metode. Uji One-Way ANOVA pada FPI menunjukkan stride length p=0,587; cadence p=0,070 sedangkan pada footprint menunjukkan stride length p=0,484; cadence p=0,703. Kesimpulan penelitian ini adalah metode FPI dan footprint tidak memiliki kesesuaian klasifikasi yang signifikan karena perbedaan dimensi pengukuran.
Gait disorders can potentially lead to musculoskeletal problems in adolescents. An optimal foot posture enhances waling efficiency, which is measurable through spatiotemporal gait parameters such as stride length and cadence. Although the Foot Posture Index (FPI) and Footprint methods are widely utilized to evaluate foot posture, discrepancies in their classifications and their respective relationship with gait paraneters require further investigation. This study aimed to determine the level of agreement between the FPI and footprint methods in classifying foot posture and to compare gait parameters from both methods in adolescents. This was a comparative study with a cross-sectional design involving 35 adolescents selected via a purposive sampling technique. The statistical agreement between the two classification methods was analyzed using Cohen’s Kappa, while the variations in stride length and cadence across the foot posture groups for each method were evaluated using One-Way ANOVA. The cross-tabulation analysis revealed a high discrepancy with a Cohen’s Kappa value of 0.039 (p=0,692; p > 0,05), indicating a lack of statistically significant agreement with a slight strength of agreement. Furthermore, the One-Way ANOVA showed no significant differences in gait parameters across the categories for both the FPI clusters stride length p=0,587; cadence p=0,070 and the footprint clusters stride length p=0,484; cadence p=0,703. Conclusion of this study was the FPI and footprint methods do not demonstrate a significant classification agreement due to their fundamental differences in dimensional measurement (3D vs 2D). Moreover, variations in functional foot posture do not significantly alter objective gait parameters in healthy adolescents.
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