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KMID : 0367020200320060653
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Journal of Korean Academic of Adult Nursing
2020 Volume.32 No. 6 p.653 ~ p.666
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Development and Evaluation of Progressive Lower-extremity Exercise Program for Patients with Total Knee Replacement Arthroplasty
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Kang Young-Ok
Song Rha-Yun
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Abstract
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Purpose: This study aimed to develop the progressive lower-extremity exercise program for patients with total kneereplacement arthroplasty and to evaluate its effectiveness on knee functions.
Methods: A non-equivalentquasi-experimental design with matching sample was used. The control group was recruited prior to the experimentalgroup with the matched inclusion criteria for age, gender, and duration of osteoarthritis. The experimental group(n=34) participated in the 8-week progressive lower-extremity exercise program and completed both pretest andposttest with the dropout rates of 15%. The control group (n=35) received conventional exercise intervention duringthe study period with the dropout rates of 17.5%. Outcome measures were days to achieve possible range of motion,lower-extremity strength, and knee symptoms and function. Data were collected from April, 2019 to March, 2020and analyzed with a x2 test, independent t-test, and repeated measures ANOVA using SPSS/WIN V. 23.0.
Results:The progressive lower-extremity exercise program consisted of pre-op education, post-op progressive exerciseprovided 2~3 times/day with progressive intensity and duration, followed by pre-discharge education. The studyparticipants were 71.7 years old in average, mostly women, and having osteoarthritis for 9.3 years. The experimentalgroup reported significant improvement in lower-extremity strength and knee symptoms and function compared totheir controls after 8 weeks based on interaction effects. No significant interaction effect was found in days to achievepossible range of motion.
Conclusion: The progressive lower-extremity exercise program provided additionalbenefits over the conventional exercise to patients with total knee replacement arthroplasty. This program is easilyapplicable and useful as rehabilitation nursing strategies in this population.
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KEYWORD
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Total knee arthroplasty, Exercise therapy, Range of motion, Muscle strength
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