Volume 48, Issue 1 (4-2024)
Research in Medicine 2024, 48(1): 8-17 |
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Ethics code: IR.SBMU.MSP.REC.1398.475
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Karimzadeh A, Esmaily H, Ramezani A, Urumieh M, Bayat M. The Effect of Standing Core Exercises on Knee Osteoarthritis Indicators: A Randomized Controlled Trial. Research in Medicine 2024; 48 (1) :8-17
URL: http://pejouhesh.sbmu.ac.ir/article-1-3314-en.html
URL: http://pejouhesh.sbmu.ac.ir/article-1-3314-en.html
Clinical Research Development Center, Imam Hossein Educational Hospital, Shahid Beheshti University of medical Sciences, Tehran, Iran. -Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran. & Clinical Research Development Center, Imam Hossein Educational Hospital, Shahid Beheshti University of medical Sciences, Tehran, Iran. -Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran. , Esmaily_hadi@sbmu.ac.ir
Abstract: (665 Views)
Background and Aim: The effectiveness of stabilizing core muscles of the trunk and pelvis has been studied more in osteoarthritis (OA) of the hip and less in knee. Performing these exercises while standing, removes the limitation of performing them in different environments. The current study examines the effectiveness of standing core exercises on pain and performance of patients with knee OA, who have no strenuous activity and often have sedentary jobs. On the one hand, by reducing the social restrictions of doing these exercises and on the other hand, by reducing the occupational interfering factors that cause knee arthrosis, we have tried to get a purer and more accurate conclusion from these therapeutic exercises.
Methods: This is a randomized, controlled trial. Patients with knee osteoarthritis were invited to enter the study and if they met the criteria and received the consent, they were randomly divided into two groups. The control group, which only received the program of performing conventional exercises of knee OA, and the intervention group, which received the program of standing core exercises in addition to conventional exercises. The primary outcome of this study was visual analytic score (VAS) of pain and the secondary outcomes were Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Lequesne and 6-minute walking test (6WMT) at 6 and 12 weeks.
Results: In this study, 38 patients completed the study per-protocol. The baseline characteristics and outcome measurements did not differ significantly before the intervention. Within-group analysis showed that there is a significant difference in VAS, WOMAC pain, discomfort and maximum distance of Lequesne and 6MWT indices in both groups (P<0.05). Also, within-group analysis showed that there was a significant difference in WOMAC physical performance and Lequesne daily activity only in the intervention group (P<0.05). The results of the between-group analysis showed a significant difference between the two groups in all outcomes in 12 weeks (P<0.0001), and in the VAS and Lequesne index, a significant difference can be seen between the two groups even in 6 weeks (P<0.005). The effect size on the primary outcome of VAS is 0.68 in the core exercise group compared to the control group.
Conclusion: The results of this study show that standing core exercises, after 12 weeks, causes a significant reduction of pain, improvement of function and activity in patients with knee osteoarthritis compared to conventional exercises, and its positive effect on pain or discomfort, ‘maximum distance walked’, and ‘activities of daily living’ after 6 weeks, also observed. Although previous studies showed the positive effect of core exercise on the pain index and activity of knee osteoarthritis patients, the results of this study showed that even standing core exercises may be effective.
Methods: This is a randomized, controlled trial. Patients with knee osteoarthritis were invited to enter the study and if they met the criteria and received the consent, they were randomly divided into two groups. The control group, which only received the program of performing conventional exercises of knee OA, and the intervention group, which received the program of standing core exercises in addition to conventional exercises. The primary outcome of this study was visual analytic score (VAS) of pain and the secondary outcomes were Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Lequesne and 6-minute walking test (6WMT) at 6 and 12 weeks.
Results: In this study, 38 patients completed the study per-protocol. The baseline characteristics and outcome measurements did not differ significantly before the intervention. Within-group analysis showed that there is a significant difference in VAS, WOMAC pain, discomfort and maximum distance of Lequesne and 6MWT indices in both groups (P<0.05). Also, within-group analysis showed that there was a significant difference in WOMAC physical performance and Lequesne daily activity only in the intervention group (P<0.05). The results of the between-group analysis showed a significant difference between the two groups in all outcomes in 12 weeks (P<0.0001), and in the VAS and Lequesne index, a significant difference can be seen between the two groups even in 6 weeks (P<0.005). The effect size on the primary outcome of VAS is 0.68 in the core exercise group compared to the control group.
Conclusion: The results of this study show that standing core exercises, after 12 weeks, causes a significant reduction of pain, improvement of function and activity in patients with knee osteoarthritis compared to conventional exercises, and its positive effect on pain or discomfort, ‘maximum distance walked’, and ‘activities of daily living’ after 6 weeks, also observed. Although previous studies showed the positive effect of core exercise on the pain index and activity of knee osteoarthritis patients, the results of this study showed that even standing core exercises may be effective.
Keywords: core exercise, knee osteoarthritis, VAS index, WOMAC index, Lequesne index, knee Pain, Quality of Life
Type of Study: Original |
Subject:
Physical medicine and rehabilitation - Physiotherapy - Occupational therapy
Received: 2023/08/3 | Accepted: 2024/02/4 | Published: 2024/04/22
Received: 2023/08/3 | Accepted: 2024/02/4 | Published: 2024/04/22
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