Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis

This systematic review and meta-analysis aimed to determine whether manual therapy (MT) and strengthening exercises (SE) reduce pain in patients with knee osteoarthritis (KO). Clinical trials were identified through a search of PubMed, PEDro, Scopus, and Ovid databases up to April 2024. Two independ...

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Main Authors: Beatriz Serrano-García, Carmen Belén Martínez-Cepa, Francisco Forriol, Santiago Angulo-Díaz-Parreño, Juan Andrés Mesa-Jiménez, Juan Carlos Zuil-Escobar
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Applied Sciences
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Online Access:https://www.mdpi.com/2076-3417/15/1/215
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author Beatriz Serrano-García
Carmen Belén Martínez-Cepa
Francisco Forriol
Santiago Angulo-Díaz-Parreño
Juan Andrés Mesa-Jiménez
Juan Carlos Zuil-Escobar
author_facet Beatriz Serrano-García
Carmen Belén Martínez-Cepa
Francisco Forriol
Santiago Angulo-Díaz-Parreño
Juan Andrés Mesa-Jiménez
Juan Carlos Zuil-Escobar
author_sort Beatriz Serrano-García
collection DOAJ
description This systematic review and meta-analysis aimed to determine whether manual therapy (MT) and strengthening exercises (SE) reduce pain in patients with knee osteoarthritis (KO). Clinical trials were identified through a search of PubMed, PEDro, Scopus, and Ovid databases up to April 2024. Two independent reviewers screened articles, removing duplicates, and conducted full-text evaluations. Nineteen studies were included, with eight incorporated into the meta-analysis. Of these, seven addressed MT and twelve focused on SE. Although the studies included a variety of outcomes and follow-up periods, both interventions were shown to reduce pain immediately after the intervention, with MT providing superior short-term outcomes. Improvements were noted in the VAS scale for the MT group (effect size = 0.799; Z = 2.495; <i>p</i> = 0.013; IC 95%= 0.171 to 1.427; Q-value = 17.721; <i>p</i> = 0.001) and in the WOMAC pain score for the SE compared to controls (effect size = 0.364; Z = 1.993; <i>p</i> = 0.046; IC 95%= 0.006 to 0.722; Q-value = 2.4; <i>p</i> = 0.301). Both results showed high evidence according to GRADE. However, long-term effects are inconclusive, with low/very low levels of evidence. Both MT and SE are effective interventions in reducing pain in the short term. However, more clinical trials are needed to determine the best doses and the long-term effects.
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spelling doaj-art-d55b30dc79c649dc96fbea231d3ce0932025-01-10T13:14:49ZengMDPI AGApplied Sciences2076-34172024-12-0115121510.3390/app15010215Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-AnalysisBeatriz Serrano-García0Carmen Belén Martínez-Cepa1Francisco Forriol2Santiago Angulo-Díaz-Parreño3Juan Andrés Mesa-Jiménez4Juan Carlos Zuil-Escobar5Escuela Internacional de Doctorado (CEINDO), Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainDepartamento de Fisioterapia, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainDepartamento de Ciencias Médicas Clínicas, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainDepartamento de Matemáticas y Ciencia de Datos, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainDepartamento de Fisioterapia, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainDepartamento de Fisioterapia, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, SpainThis systematic review and meta-analysis aimed to determine whether manual therapy (MT) and strengthening exercises (SE) reduce pain in patients with knee osteoarthritis (KO). Clinical trials were identified through a search of PubMed, PEDro, Scopus, and Ovid databases up to April 2024. Two independent reviewers screened articles, removing duplicates, and conducted full-text evaluations. Nineteen studies were included, with eight incorporated into the meta-analysis. Of these, seven addressed MT and twelve focused on SE. Although the studies included a variety of outcomes and follow-up periods, both interventions were shown to reduce pain immediately after the intervention, with MT providing superior short-term outcomes. Improvements were noted in the VAS scale for the MT group (effect size = 0.799; Z = 2.495; <i>p</i> = 0.013; IC 95%= 0.171 to 1.427; Q-value = 17.721; <i>p</i> = 0.001) and in the WOMAC pain score for the SE compared to controls (effect size = 0.364; Z = 1.993; <i>p</i> = 0.046; IC 95%= 0.006 to 0.722; Q-value = 2.4; <i>p</i> = 0.301). Both results showed high evidence according to GRADE. However, long-term effects are inconclusive, with low/very low levels of evidence. Both MT and SE are effective interventions in reducing pain in the short term. However, more clinical trials are needed to determine the best doses and the long-term effects.https://www.mdpi.com/2076-3417/15/1/215painexercise therapymusculoskeletal manipulationsphysical therapy modalitiesknee osteoarthritis
spellingShingle Beatriz Serrano-García
Carmen Belén Martínez-Cepa
Francisco Forriol
Santiago Angulo-Díaz-Parreño
Juan Andrés Mesa-Jiménez
Juan Carlos Zuil-Escobar
Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
Applied Sciences
pain
exercise therapy
musculoskeletal manipulations
physical therapy modalities
knee osteoarthritis
title Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
title_full Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
title_fullStr Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
title_full_unstemmed Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
title_short Effects of Manual Therapy and Strengthening Exercise on Pain in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis
title_sort effects of manual therapy and strengthening exercise on pain in patients with knee osteoarthritis a systematic review and meta analysis
topic pain
exercise therapy
musculoskeletal manipulations
physical therapy modalities
knee osteoarthritis
url https://www.mdpi.com/2076-3417/15/1/215
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