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Article

Effects of Preoperative Telerehabilitation on Muscle Strength, Range of Motion, and Functional Outcomes in Candidates for Total Knee Arthroplasty: A Single-Blind Randomized Controlled Trial

by
Jungae An
1,
Ho-Kwang Ryu
2,
Suk-Joo Lyu
2,
Hyuk-Jong Yi
3 and
Byoung-Hee Lee
4,*
1
Graduate School of Physical Therapy, Sahmyook University, Seoul 01795, Korea
2
Department of Orthopedic Surgery, Seoul Now Hospital, Seongnam 13591, Korea
3
Department of Physical Therapy, Seoul Now Hospital, Seongnam 13591, Korea
4
Department of Physical Therapy, Sahmyook University, Seoul 01795, Korea
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2021, 18(11), 6071; https://doi.org/10.3390/ijerph18116071
Submission received: 6 May 2021 / Revised: 26 May 2021 / Accepted: 1 June 2021 / Published: 4 June 2021
(This article belongs to the Section Women's Health)
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Abstract

This study aims to investigate the effect of a preoperative telerehabilitation (PT) program on muscle strength, knee range of motion (ROM), and functional outcomes in candidates for total knee arthroplasty (TKA). Sixty patients (all women, mean age 70.53 ± 2.7 years) scheduled for bilateral TKA participated in this study. The PT and preoperative patient education (PE) groups participated in a 3-week intensive exercise program (30 min/session, 2 times/day, 5 days/week), whereas the control group received the usual care before TKA. Quadriceps muscle strength, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), ROM of knee flexion, pain, and time up-and-go (TUG) test time were evaluated at 4 weeks preoperatively, post-interventionally, and 6 weeks after TKA. Significant differences were found in the time-by-group interaction for 60°/s extension peak torque [F(4, 100) = 2.499, p = 0.047, η2p = 0.91], 180°/s extension peak torque [F(4, 100) = 3.583, p = 0.009, η2p = 0.125], ROM [F(4, 100) = 4.689, p = 0.002, η2p = 0.158], TUG time [F(4, 100) = 7.252, p < 0.001, η2p = 0.225], WOMAC pain [F(4, 100) = 9.113, p < 0.001, η2p = 0.267], WOMAC functional outcome [F(4, 100) = 6.579, p < 0.001, η2p = 0.208], and WOMAC total score [F(4, 100) = 10.410, p < 0.001, η2p = 0.294]. The results of this study demonstrate the early benefits of a PT program in elderly female patients with end-stage osteoarthritis. The PT program improved muscle strength, ROM, and functional outcomes before TKA, which contributed to better functional recovery after TKA.
Keywords: osteoarthritis; prehabilitation; telerehabilitation; total knee arthroplasty osteoarthritis; prehabilitation; telerehabilitation; total knee arthroplasty

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MDPI and ACS Style

An, J.; Ryu, H.-K.; Lyu, S.-J.; Yi, H.-J.; Lee, B.-H. Effects of Preoperative Telerehabilitation on Muscle Strength, Range of Motion, and Functional Outcomes in Candidates for Total Knee Arthroplasty: A Single-Blind Randomized Controlled Trial. Int. J. Environ. Res. Public Health 2021, 18, 6071. https://doi.org/10.3390/ijerph18116071

AMA Style

An J, Ryu H-K, Lyu S-J, Yi H-J, Lee B-H. Effects of Preoperative Telerehabilitation on Muscle Strength, Range of Motion, and Functional Outcomes in Candidates for Total Knee Arthroplasty: A Single-Blind Randomized Controlled Trial. International Journal of Environmental Research and Public Health. 2021; 18(11):6071. https://doi.org/10.3390/ijerph18116071

Chicago/Turabian Style

An, Jungae, Ho-Kwang Ryu, Suk-Joo Lyu, Hyuk-Jong Yi, and Byoung-Hee Lee. 2021. "Effects of Preoperative Telerehabilitation on Muscle Strength, Range of Motion, and Functional Outcomes in Candidates for Total Knee Arthroplasty: A Single-Blind Randomized Controlled Trial" International Journal of Environmental Research and Public Health 18, no. 11: 6071. https://doi.org/10.3390/ijerph18116071

APA Style

An, J., Ryu, H.-K., Lyu, S.-J., Yi, H.-J., & Lee, B.-H. (2021). Effects of Preoperative Telerehabilitation on Muscle Strength, Range of Motion, and Functional Outcomes in Candidates for Total Knee Arthroplasty: A Single-Blind Randomized Controlled Trial. International Journal of Environmental Research and Public Health, 18(11), 6071. https://doi.org/10.3390/ijerph18116071

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