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KMID : 1151220210270020060
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Journal of Korean Academy of Orthopedic Manual Therapy
2021 Volume.27 No. 2 p.60 ~ p.72
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Effects of Muscle Energy Technique on Knee Extensor Muscle Strength, Knee Range of Motion, Balance, and Walking Ability in Elderly Women during the Chronic Phase after Total Knee Replacement
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Song Hyung-Bong
Park Geun-Hong
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Abstract
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Background: This study aimed to use the muscle energy technique (MET) with total knee replacement (TKR) during the chronic phase in a clinical setting and confirm its effects on the knee extensor strength and ROM, balance, and walking ability.
Methods: A total of 20 female patients who underwent TKR 1~4 years ago were assigned to two groups (Control: Q setting exercise+general physical therapy, n=10; Exp: MET+general physical therapy, n=10). Interventions were performed three times a week for 4 weeks. The strength of the knee extensor was evaluated using an aneroid sphygmomanometer, and ROM was evaluated using degrees at the end range on active knee flexion. The main balance outcomes were evaluated using two standard scale (TSS) and timed up and go (TUG) test, whereas the walking ability was evaluated using the 10 meter walk test (10MWT).
Results: Analysis showed that both groups had significant increases in strength, ROM, TSS, TUG, and 10MWT. Differences in all variables were significant between the control and Exp groups at the post-intervention evaluation (p<.05). However, no significant difference was observed in strength and TUG.
Conclusion: Results of this study demonstrated that MET would help improve the strength, ROM, balance, and walking ability of patients with chronic TKR who want to enhance their abilities and performance in activities of daily living.
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KEYWORD
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Total knee replacement, Muscle Energy Technique, Q setting exercise, Balance, Walking
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