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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (06): 712-717. doi: 10.3877/cma.j.issn.1674-134X.2021.06.010

• Review • Previous Articles     Next Articles

Progresses of kinematic characteristics after total knee arthroplasty

Bofu Lin1, Mengyuan Li2, Qiujian Zheng2,()   

  1. 1. Department of Orthopedics, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, China; Shantou University Medical College, Shantou 515041, China
    2. Department of Orthopedics, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, China
  • Received:2020-06-19 Online:2021-12-01 Published:2022-02-07
  • Contact: Qiujian Zheng

Abstract:

Total knee arthroplasty (TKA) is one of the effective procedures in treating terminal stage knee osteoarthritis. However, some patients continue to report abnormal kinematic changes such as decreased step velocity, instability after TKA. The kinematics of the knee quantitatively describe the motion of the knee, which can help better assess the function of the knee more precisely and objectively. This article aimed at introducing kinematic changes of patients’ knee and factors that influence patients’ kinematics after TKA. According to the documented data, although better gait parameters are achieved after TKA, some defects are still noticed in patients compared to normal people. In addition, patients’ kinematics is affected by prosthesis design, operation method, and lower extremity alignment, etc. The pre- and post-operative kinematic data of patients collected by motion analysis system would be helpful in exploring the mechanism of pathological changes in patients with postoperative kinematic abnormalities, thus providing theoretical basis for the guideline of individualized post-operative rapid rehabilitation and improving patients’ satisfaction.

Key words: Arthroplasty, replacement, knee, Kinematics, Gait, Osteoarthritis

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