A Novel Method of Evaluating Knee Joint Stability of Patients with Knee Osteoarthritis: Multiscale Entropy Analysis with A Knee-Aiming Task

Deteriorating knee stability is a local risk factor that reflects the occurrence and aggregative of osteoarthritis (OA). Despite the many biomechanics-based methods for assessing the structural stability of knee joints in clinics, these methods have many limitations. The stability of the knee joint...

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Bibliographic Details
Published in:Scientific reports 2017-03, Vol.7 (1), p.354-6, Article 354
Main Authors: Zhou, Diange, Zhang, Shijie, Zhang, Hui, Jiang, Long, Zhang, Jue, Fang, Jing
Format: Article
Language:English
Subjects:
639/705/531
692/4023/1670/407
692/700/784
Adult
Aged
Aged, 80 and over
Arthritis
Arthroplasty, Replacement, Knee
Biomechanical Phenomena
Biomechanics
Central nervous system
Data Interpretation, Statistical
Entropy
Female
Humanities and Social Sciences
Humans
Knee
Knee Joint - physiopathology
Knee Joint - surgery
Male
Middle Aged
multidisciplinary
Osteoarthritis
Osteoarthritis, Knee - diagnosis
Osteoarthritis, Knee - surgery
Proprioception
Rehabilitation
Reproducibility of Results
Risk factors
Science
Science (multidisciplinary)
Variance analysis
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Summary:Deteriorating knee stability is a local risk factor that reflects the occurrence and aggregative of osteoarthritis (OA). Despite the many biomechanics-based methods for assessing the structural stability of knee joints in clinics, these methods have many limitations. The stability of the knee joint relies on not only biomechanical factors, but also proprioception and the central nervous system. In this study, we attempt to depict the stability of knee joint from a holistic viewpoint, and a novel index of knee joint stability (IKJS) was thus extracted. We compared the differences of IKJS in 57 healthy volunteers and 55 patients with OA before and after total knee replacement (TKR). Analysis of Variance results demonstrated that there existed significant differences in IKJS among the three participating groups (
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-017-00411-5