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Changes in postural control strategy during quiet standing in individuals with knee osteoarthritis

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Title: Changes in postural control strategy during quiet standing in individuals with knee osteoarthritis
Authors: Sabashi, Kento Browse this author
Kasahara, Satoshi Browse this author →KAKEN DB
Tohyama, Harukazu Browse this author →KAKEN DB
Chiba, Takeshi Browse this author
Koshino, Yuta Browse this author →KAKEN DB
Ishida, Tomoya Browse this author
Samukawa, Mina Browse this author →KAKEN DB
Yamanaka, Masanori Browse this author →KAKEN DB
Keywords: Knee osteoarthritis
quiet standing
postural control
center of mass
Issue Date: 11-May-2022
Publisher: IOS Press
Journal Title: Journal of Back and Musculoskeletal Rehabilitation
Volume: 35
Issue: 3
Start Page: 565
End Page: 572
Publisher DOI: 10.3233/BMR-200337
PMID: 34397399
Abstract: BACKGROUND: Knee osteoarthritis (OA) impairs postural control and may affect how the lower limb joints are used for postural control. OBJECTIVE: To investigate how individuals with knee OA use lower limb joints for static postural control. METHODS: Ten patients with knee OA and thirteen healthy controls performed quiet standing for 30 s. The standard deviation of the center of mass (COM) and lower limb joint motions in the anterior-posterior (AP) and medial-lateral (ML) planes were calculated from three-dimensional marker trajectories. Pearson's correlation analysis and independent t-tests were conducted to investigate the relationship between COM and lower limb joint motion and to compare group difference, respectively. RESULTS: The AP hip angular velocity alone in the knee OA group and the AP hip and knee angular velocity in the control group were significantly correlated with the AP COM velocity. The ML hip angular velocity was significantly correlated with the ML COM velocity in both groups. The knee OA group exhibited a significantly larger standard deviation of AP COM velocity than the control group. CONCLUSIONS: Individuals with knee OA depended solely on the contribution of the hip to the AP COM velocity, which could not be successfully controlled by the knee.
Rights: The final publication is available at IOS Press through
Type: article (author version)
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 笠原 敏史

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