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The Correlation between Lower Limb Torsion and Gait Angle: A Study on the Range of Motion of Hip and Knee Joints
Phys Ther Rehabil Sci 2024;13:368-73
Published online September 30, 2024
© 2024 Korean Academy of Physical Therapy Rehabilitation Science.

Seok-Bin Leea , Hyeong-gyeong Kima , Da-Yeon Nama , Ju-Ha Shina , Dae-Sung Parka*

aDepartment of Physical Therapy, Konyang University, Daejeon, Republic of Korea
Correspondence to: Dae-Sung Park (ORCID https://orcid.org/0000-0003-4258-0878)
Department of Physical Therapy, Konyang University, 158, Gwanjeodong-ro, Seo-gu, Daejeon, Republic of KOREA
Tel: +82-42-600-6419 E-mail: daeric@konyang.ac.kr
Received July 9, 2024; Revised September 28, 2024; Accepted September 30, 2024.
cc This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Objective: This study investigates the influence of femoral and knee torsion angles on toe in-out orientation in adults.
Design: Cross-sectional study design.
Methods: We measured the passive internal and external rotation range of motion (ROM) of the hip and knee joints in 21 participants using a goniometer. Toe in-out orientation was assessed with the GaitRite gait analysis system during slow and fast walking trials over a 6-meter walkway. Pearson correlation analysis was used to examine the relationship between joint ROM and gait angle at both walking speeds. Intra- and inter-rater reliability were assessed, and simple linear regression was conducted to explore these relationships.
Results: Intra-rater reliability demonstrated high reliability (0.84β=0.660, p<0.001) and the neutral angle of the knee joint (β=0.284, p=0.034) significantly contributed to the toe-out angle.
Conclusions: Our findings indicate a significant correlation between the range of motion of the hip joint and toe in-out orientation. A decrease in the hip joint internal rotation angle was associated with a decrease in toe in-out, while an increase in the mid-angle was associated with an increase in toe in-out.
Keywords : Lower Extremity / Leg, Gait / Walking, Range of Motion, Articular / Hip, Gait
 
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