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The Biomechanical Effects of Cross-Legged Sitting on the Lower Limbs and the Implications in Rehabilitation

Author name : HADEEL SAAD ABDULKARIM ALSIRHANI
Publication Date : 2024-12-22
Journal Name : Applied Science

Abstract

Abstract: Background: While cross-legged-sitting (CLS) posture is widely practiced in some communities, its biomechanical effect on the lower limbs is not clear. This study aimed to investigate whether CLS would affect biomechanical parameters in lower limbs during gait. Methods: Thirty healthy volunteers participated in this study and performed CLS on ground for 20 min. Their modes of gait were compared before and after CLS regarding to temporospatial parameters and the kinetic and kinematic parameters in the lower limb joints.
Results: CLS significantly increased walking cadence and speed. In kinematics, the ranges of motion for almost all lower limb joints were increased after CLS except the knee in sagittal plane. In kinetics, the medial and lateral forces increased significantly after CLS in the lower limb joints, e.g., the hip posterior force was increased more than 14% on both sides. Furthermore, all hip, knee, and ankle powers were increased significantly after CLS.
Conclusion: CLS has a positive impact on the biomechanical parameters of almost all lower limb joints except the knee flexion/extension angle and internal/external joint moments. Therefore, CLS can be used in the daily routine and in any rehabilitation program to improve the biomechanical parameters of the lower extremities.

Keywords

cross-legged-sitting; gait; joint kinematics; joint kinetics; posture

Publication Link

https://doi.org/10.3390/app13064032

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