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Effects of Robot Rehabilitation for Range of Motion and Balance in Ankle Sprain Patient: A Single Case Study
J Kor Phys Ther 2023;35(1):8-12
Published online February 28, 2023;
© 2023 The Korea Society of Physical Therapy.

So Yeong Kim1,2, Byeong Geun Kim3

1Department of Physical Therapy, Graduate School, Nambu University, Gwangju, Republic of Korea; 2Gwanju 365 Rehabilitation Hospital, Gwangju, Republic of Korea; 3Department of Physical Therapy, Nambu University, Gwangju, Republic of Korea
Byeong Geun Kim E-mail
Received January 4, 2023; Revised January 27, 2023; Accepted February 17, 2023.
This is an Open Access article distribute 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: Recently, many studies on robotic rehabilitation have been conducted, but such studies on patients with ankle sprains are lacking. This study aimed to investigate the effects of robot-assisted rehabilitation on the range of motion of the ankle and balance in patients with ankle sprain.
Methods: This study used the A-B-A’ design and was conducted for a total of fifteen days. The subjects performed general physical therapy for five days each, during the baseline A and A` periods. In period B, robot rehabilitation was performed for five days, along with general physical therapy. The subjects were evaluated based on weight-bearing lunge test (WBLT), single leg stance (SLS), and functional reach test (FRT).
Results: The WBLT, STS, and FRT showed significant improvement in periods B and A’ compared to period A, but there was no significant improvement in period A’ compared to period B.
Conclusion: This study confirmed that robot-assisted rehabilitation was an effective intervention for improving the function of patients with ankle sprain. In the future, a study with a control group comparison should be performed.
Keywords : Ankle sprain, Range of motion, Balance, Robot rehabilitation

February 2023, 35 (1)
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