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Can Functional Assessment Tools Reflect Balance Abilities at 3 Months after Total hip Arthroplasty?
J korean soc phys med 2018;13(4):51-58
Published online November 30, 2018;
© 2018 Korean Society of Physical Medicine.

Min-Woo Kim, MS, PT⋅Young-Uk Ryu, PhD, PT, CSCS1†

Department of Rehabilitation Medicine, Dongsan Medical Center, Keimyung University
1Department of Physical Therapy, Daegu Catholic University
Received July 30, 2018; Revised August 1, 2018; Accepted August 23, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
PURPOSE: This study was conducted to determine if the Harrison hip score (HHS), a tool for assessing hip joint function, and the Burg balance scale (BBS), a general balance assessment tool, actually reflect the balance ability of total hip arthroplasty (THA) patients 3 months after surgery. In addition, this study investigated the initial weight distribution strategy for bilateral lower extremity after THA surgery to understand the balance of THA patients.
METHODS: Fourteen 3-month THA patients performed static dual standing and sit-to-stand (STS) tasks. Ground reaction forces on each leg were collected to calculate the weight distribution symmetricity (SWD), and the HHS, functional HHS (f-HHS), and BBS were evaluated. Correlation analyses between SWD and the HHS (also f-HHS) and BBS were then applied to the THA patients.
RESULTS: The correlations between functional evaluation tools (HHS, f-HHS, BBS) and SWD were weak strength for the static balance task, but moderate for the dynamic STS task. Among the evaluation tools used in the present study, f-HHS was most useful for evaluation of dynamic balance ability.
CONCLUSION: The results suggest that use of HHS, f-HHS, and BBS as functional evaluation tools does not provide meaningful information regarding balance ability, but that they are useful for evaluating dynamic balance ability of THA patients. The dynamic balance ability at 3 months after THA seems to be under development.
Keywords : Balance, Quiet standing, Sit-to-stand, Total hip arthroplasty

November 2018, 13 (4)
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