Motion analysis of Chinese normal knees during gait based on a novel portable system

Gait & Posture
Yu ZhangHong Xia

Abstract

Normative tibiofemoral data of Chinese or Asian subjects during gait is rarely reported. This study is aimed at investigating the six-degree-of-freedom (6DOF) knee kinematics of adult Chinese during gait, based on a novel portable system. Twenty-eight healthy Chinese subjects (56 knees) were studied during their treadmill gaits. A set of optical marker clusters were attached to the thighs and shanks of each subject, who was tracked by an optical joint kinematics measurement system. Knee landmarks were initially digitized with respect to the marker cluster sets to determine the local coordinate systems for calculation of 6DOF knee joint kinematics. The range of motion (ROM) in 6DOF and 5 kinematic parameters were calculated and compared between bilateral knees and genders. We discovered that knee rotations, as well as motion in proximodistal and mediolateral translations, showed similar patterns in flexion and extension. However, the anteroposterior translations did not show a clear pattern. The results of ROM in 6DOF obtained in this study are comparable with those reported in existing literature. No statistical difference was found between left and right knees either in the ROMs or in the 5 kinematic parameters. However, the R...Continue Reading

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Citations

Sep 19, 2017·Hand : Official Journal of the American Association for Hand Surgery·Nuphar LendnerRonit Wollstein
May 23, 2019·The Journal of Sports Medicine and Physical Fitness·Bingzheng ZhouLunhao Bai
Jun 28, 2018·Annals of Biomedical Engineering·Donald R HumeKevin B Shelburne
May 26, 2021·Journal of Magnetic Resonance Imaging : JMRI·Ming ZhangHongjiang Wei
Jul 5, 2021·Journal of Orthopaedic Surgery and Research·Shaobai WangYu Zhang

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