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KMID : 0608320200270040286
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Physical Therapy Korea
2020 Volume.27 No. 4 p.286 ~ p.291
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Static and Dynamic Balance Comparison Between the Involved and Uninvolved Sides in Patients Who had Anterior Cruciate Ligament Reconstruction: One-year Follow-up Study
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Kim Jin-Seong
Choi Moon-Young
Kong Doo-Hwan
Chung Kyu-Sung
Hwang Ui-Jae
Kwon Oh-Yun
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Abstract
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Background: Anterior cruciate ligament reconstruction (ACLR) causes a reduction in the balance of the lower extremities. Static and dynamic balance were evaluated separately to confirm the decrease in balance in patients underwent ACLR. The commonly used methods include the Biodex Balance System (BBS) for static balance and the Y balance test (YBT) for dynamic balance. No study has evaluated whether the static and dynamic balance of the involved side recovers as much as the uninvolved side one year after ACLR.
Objects: The purpose of this study was to investigate the recovery of static and dynamic balance between the involved and the uninvolved sides.
Methods: The BBS (overall, anteroposterior index, and mediolateral index) and YBT (anterior, posterolateral, and posteromedial) of 58 patients underwent ACLR were measured one year postoperation. Both sides of the BBS and the YBT were compared using the paired t-test.
Results: All the index of the BBS showed no difference between the involved and the uninvolved sides, while all the scores of the YBT showed a significant difference in both sides. The YBT anterior result was 54.64 ± 5.62 cm in the involved side and 56.90 ± 5.41 cm in the uninvolved side (p = 0.001). The YBT posterolateral results were 90.12 ± 10.51 cm and 92.34 ± 9.85 cm (p = 0.013). The YBT posteromedial results were 93.72 ± 8.84 cm and 96.14 ± 9.37 cm (p = 0.002).
Conclusion: A year after ACLR, the static balance showed no difference, while the dynamic balance showed a significant difference in the involved and the uninvolved sides. The static balance of the involved side recovered as much as the uninvolved side, but the dynamic balance did not. Therefore, dynamic balance training should be considered in the rehabilitation program for patients underwent ACLR.
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KEYWORD
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Anterior cruciate ligament reconstruction, Lower extremity, Postural balance
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