Comparing the moment of the lower limb joints in one-leg landing skills between athletes with flexible flat feet and normal.

Articles in Press

Document Type : Research Paper

Authors

1 university birjand

2 Associate Professor and Faculty Member of the Faculty of Sports Sciences, University of Birjand

3 Islamic Azad University of Ferdows

4 Assistant Professor and Faculty of Sports Sciences, University of Birjand

10.22084/rsr.2025.29495.1744

Abstract

Introduction: flat feet is a common abnormality and is related to lower limb injuries. The cause of injury in people with flat feet remains unknown. The purpose of this research is to compare the torque of lower limb joints in one-legged landing between people with normal and flat feet.

Method: 20 male professional futsal players (10 with flat feet and 10 with normal feet) participated in this test. The height of the foot arch of these people was evaluated based on the Staheli index, the subjects performed the one-legged landing skill with the dominant leg from a step with a height of 30 cm. Kiesler force plate and Vicon analyzer were used to record the required data. To compare the moment of the joints between the two groups, independent t-test was used at a significance level of p≤0.05.

Results: The statistical results showed that the average moment of all three joints (ankle, knee and hip) was higher in people with flat feet than in healthy people, but this difference was not statistically significant in all three examined joints.

Conclusion: It is likely that the change in joint moment due to the reduction of the longitudinal arch of the foot cannot be a risk factor for injury in professional athletes. Because in these people, muscles, bones and ligaments act as a compensatory activity to reduce the moment value of the joints of the lower limbs in order to prevent injury in people with flat feet during the landing skill.

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Journal for Research in Sport Rehabilitation

Articles in Press, Accepted Manuscript
Available Online from 07 April 2025

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