Relationship between Co-contraction of the Knee Joint Muscle during One Foot Standing and Balance Function in Patients with Total Knee Arthroplasty

[Purpose] The purpose of this study was to examine the co-contraction of the knee during one foot standing in total knee arthroplasty (TKA) patients and to investigate the relation between the co-contraction and balance function. [Participants and Methods] Nine subjects (TKA group) at four weeks aft...

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Published inRigaku ryoho kagaku Vol. 34; no. 6; pp. 749 - 752
Main Authors KAKUSE, Kuniaki, HORIUCHI, Hideto, MATSUI, Naoto, KANNARI, Toru, OKAWA, Maiko, KOBAYASHI, Takumi, NOJIN, Kaori, ITO, Takanori
Format Journal Article
LanguageJapanese
Published Tokyo The Society of Physical Therapy Science 2019
Japan Science and Technology Agency
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ISSN1341-1667
2434-2807
DOI10.1589/rika.34.749

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Summary:[Purpose] The purpose of this study was to examine the co-contraction of the knee during one foot standing in total knee arthroplasty (TKA) patients and to investigate the relation between the co-contraction and balance function. [Participants and Methods] Nine subjects (TKA group) at four weeks after TKA and 10 healthy, age-matched controls (healthy group) participated in this study. The subjects performed a one foot standing task, and the co-contraction index (CI) of the knee was measured. [Results] There was a significant difference between the two groups in CI. In the TKA group, there was a significantly negative correlation between the CI during the transition phase of the task and FRT. [Conclusion] The results suggest that the center of gravity movement with change in posture is affected by the co-contraction of the knee in TKA patients.
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ISSN:1341-1667
2434-2807
DOI:10.1589/rika.34.749