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Efficacy of Specified Manual Therapies in Combination with a Supervised Exercise Protocol for Managing Pain Intensity and Functional Disability in Patients with Knee Osteoarthritis

Authors Reza MK, Shaphe MA, Qasheesh M, Shah MN, Alghadir AH, Iqbal A

Received 5 October 2020

Accepted for publication 24 December 2020

Published 26 January 2021 Volume 2021:14 Pages 127—138

DOI https://doi.org/10.2147/JPR.S285297

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Michael Schatman


Mohammad Kashif Reza,1 Mohammad Abu Shaphe,1 Mohammed Qasheesh,1 Mudasir Nazar Shah,1 Ahmad H Alghadir,2 Amir Iqbal2

1Physical Therapy Department, Jazan University, Jazan, Saudi Arabia; 2Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia

Correspondence: Amir Iqbal
Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
Tel +966 1 4696010
Fax +966 1 4693589
Email ajamaluddin@ksu.edu.sa

Purpose: The current study aimed to determine the efficacy of specified manual therapies in combination with a supervised exercise protocol for managing pain intensity and functional disability in patients with knee osteoarthritis.
Methods: The study was based on a two-arm parallel-group randomized controlled trial design, including a total of 32 participants with knee osteoarthritis randomly divided into groups A and B. Group A received a supervised exercise protocol; however, group B received specified manual therapies in combination with a supervised exercise protocol. Pain and functional disability were measured with the numeric pain rating scale (NPRS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), respectively. Data were collected at baseline (pre-intervention), 2 weeks, and 4 weeks post-intervention. To evaluate the efficacy of specific manual therapies with supervised exercise compared to supervised exercise alone, an unpaired t-test and repeated measures ANOVA were used to analyze the data, keeping the level of significance at p< 0.05.
Results: A significant (p< 0.05) mean difference (∆MD) was found within group A and group B for both outcomes when we compared their baseline scores with 2-week (group A, NPRS: ∆MD=− 1.56 and WOMAC: ∆MD=14.94; group B, NPRS: ∆MD=2.06 and WOMAC: ∆MD=22.19) and 4-week post-intervention scores (group A, NPRS: ∆MD=0.62 and WOMAC: ∆MD=6.75; group B, NPRS: ∆MD=0.75 and WOMAC: ∆MD=11.12). In addition, significant mean differences (p< 0.05) reported for both outcomes when we compared their scores between groups A and B at 2 weeks (∆MD: NPRS=0.69; WOMAC=10.87) and 4 weeks post-intervention (∆MD: NPRS=0.31; WOMAC=8.00). Furthermore, a post hoc Scheffe analysis for the outcomes NPRS and WOMAC revealed the superiority of group B over group A.
Conclusion: The specified manual therapies, in combination with a supervised exercise protocol, were found to be more effective than a supervised exercise protocol alone for improving pain and functional disability in patients with knee osteoarthritis.

Keywords: specified manual therapy, strengthening exercise, stretching exercise, knee OA

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