Effect of Custom Foot Orthoses on Vertical Jump in Flat-Footed Basketball Players

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Atika Febri Anggriani
Prasetyo Catur Utomo

Abstract

Background: Basketball is one of the most popular and widely enjoyed sports among Indonesians. Vertical jump is one of the elements that determines success in performing several of those techniques. The foot plays a vital role in supporting the body's weight during activities such as walking, standing, running, and jumping. The shape of the arcus pedis influences the biomechanics of the foot. A normal arch will assist in achieving maximum jumps. An abnormal pedal arch affects the outcome of jumps, resulting in suboptimal performance. The device can be provided for abnormal arch conditions, such as a custom foot orthosis. This study aims to determine the effect of custom foot orthoses on vertical jumps in flat-footed basketball players.


Methods: One group pretest and posttest design method with population of 25 people and 23 respondents. The evaluation of vertical jump is using vertical jump test that is measured before and after the use of foot orthoses for a month. The data analysis is using a Paired Sample T-test.


Results: The results of the statistical test showed a p value of <0.001 (p < 0.05), indicating a significant difference in the use of custom foot orthosis before and after the intervention.


Conclusion: There is an improvement in the vertical jump of basketball players with flat foot condition.  Custom foot orthoses are recommended for use to improve the vertical jump of basketball players with flatfoot conditions.

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Anggriani, A. F., & Utomo, P. C. (2025). Effect of Custom Foot Orthoses on Vertical Jump in Flat-Footed Basketball Players. Jurnal Keterapian Fisik, 10(1), 13–20. https://doi.org/10.37341/jkf.v9i2.456
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