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Exercise Interventions for Overweight Men With Chronic Low Back Pain (MAMS-CLBP)

30 juni 2026 bijgewerkt door: Mohammad Abdel Rahman Mohammad Jarrar, Universiti Sains Malaysia

Effectiveness of Motor Control, Aerobic Walking, and Muscle Strengthening Exercises in Improving Outcomes in Overweight Male Patients With Non-Specific Chronic Low Back Pain: A Randomized Controlled Trial

This randomized controlled trial aims to compare the effectiveness of motor control exercise, aerobic walking exercise, and muscle strengthening exercise in overweight male adults with non-specific chronic low back pain and central sensitization. A total of 156 participants will be randomly assigned to one of four groups: motor control exercise plus patient education, aerobic walking exercise plus patient education, muscle strengthening exercise plus patient education, or patient education only. The interventions will be delivered over 12 weeks.

The primary outcome is conditioned pain modulation (CPM), which reflects endogenous pain inhibitory function. Secondary outcomes include pain intensity, disability, health-related quality of life, executive function, and isometric trunk muscle strength. Body weight and body mass index will also be assessed as exploratory variables. Outcomes will be evaluated at baseline, immediately after the 12-week intervention, and at 6-month follow-up.

Studie Overzicht

Toestand

Nog niet aan het werven

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

Chronic non-specific low back pain (CNSLBP) is a leading cause of disability worldwide and is frequently associated with impaired pain modulation, reduced physical function, and diminished quality of life. Overweight individuals may be at increased risk of persistent low back pain due to increased mechanical loading, reduced physical fitness, and alterations in pain processing. Central sensitization has been identified as an important mechanism contributing to persistent symptoms in a subgroup of individuals with chronic low back pain.

Exercise therapy is recommended as a first-line treatment for CNSLBP; however, uncertainty remains regarding the comparative effectiveness of different exercise approaches in overweight individuals with central sensitization. Motor control exercise aims to improve the activation and coordination of deep trunk stabilizing muscles. Aerobic walking exercise may improve physical fitness and pain modulation. Muscle strengthening exercise is intended to enhance muscular strength and functional performance. Additional evidence is needed to determine which exercise strategy provides the greatest clinical benefit in this population.

This study is an assessor-blinded, four-arm, parallel-group randomized controlled trial. A total of 156 overweight male adults with non-specific chronic low back pain and evidence of central sensitization will be recruited and randomly allocated to one of four groups: motor control exercise plus patient education, aerobic walking exercise plus patient education, muscle strengthening exercise plus patient education, or patient education only. Interventions will be delivered over a 12-week period with supervised sessions conducted twice weekly.

The primary objective is to compare the effects of the interventions on conditioned pain modulation as an indicator of endogenous pain inhibitory function. Secondary objectives are to evaluate changes in pain intensity, disability, health-related quality of life, executive function, and isometric trunk muscle strength. Body weight and body mass index will also be explored as additional variables of interest.

Outcome assessments will be performed at baseline, immediately following completion of the intervention period, and at 6-month follow-up. The findings of this trial are expected to provide evidence regarding the comparative effectiveness of commonly prescribed exercise interventions for improving pain modulation and clinical outcomes in overweight men with chronic non-specific low back pain and central sensitization.

Studietype

Ingrijpend

Inschrijving (Geschat)

156

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

  • Naam: Mohammad AbdlRahman Jarrar, Master of Sciences
  • Telefoonnummer: Mohammad KSA. 00966502764110
  • E-mail: jarrar@studen.usm.my

Studie Locaties

  • Saoedi-Arabië
    • Najran Region
      • Najran, Najran Region, Saoedi-Arabië, 61441
        • Physiotherapy Clinic at the College of Applied Medical Sciences, Najran University, Najran City, Saudi Arabia.
        • Contact:
          • Mohammad AbdlRahman Jarrar, Master of Sciences
          • Telefoonnummer: KSA. 00966502764110
          • E-mail: jarrar@student.usm.my
        • Contact:
        • Hoofdonderzoeker:
          • Mohammad AbdlRahman Jarrar, Master of Sciences
        • Onderonderzoeker:
          • Dr Eva NABIHA BINTI ZAMRI, PhD, PUBLIC HEALTH
        • Onderonderzoeker:
          • DR. HAZWANI AHMAD USOF@HANAFI, PhD Health Sciences

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen

Accepteert gezonde vrijwilligers

Nee

Beschrijving

Inclusion Criteria:

  • Adults aged ≥ 18 to < 60 years.
  • Diagnosed with nonspecific CLBP that has persisted for over three months.
  • Overweight males (not obese), with a BMI between 25.0 and 29.9 kg/m² (the standard WHO/CDC classification). Excludes normal weight (<25 kg/m²) and obesity (≥30 kg/m²) to focus on the mechanical and metabolic consequences of excess weight and to avoid confounding by significant comorbidities, mobility restrictions, or modified exercise tolerance that may skew CPM results.
  • Pain level greater than 4 on the Numerical Pain Rating Scale (NPRS).
  • Signs and symptoms indicating that a CS measurement is required must be present, with a CSI score of 40 or higher.
  • Psychological status will be screened with the Depression Anxiety Stress Scales-21 (DASS-21) to confirm the absence of clinically significant symptoms of depression, anxiety, or stress. Eligible participants will be overweight males aged 18 to 60 years with nonspecific CLBP who score within the normal range on all DASS-21 subscales. Participants with severe psychological distress will be excluded, while mild to moderate symptoms will be statistically controlled.

Exclusion Criteria:

  • CLBP due to a recognized specific pathology (e.g., infection, tumor, osteoporosis, fracture, structural deformity, or inflammatory disorders such as ankylosing spondylitis, radiculopathy, or cauda equina syndrome).
  • Contraindications for physical activity participation.
  • A history of spine surgery or spine diseases that cause symptoms.
  • The presence of acute pain within 48 hours prior to the study date.
  • A history of using corticosteroids or other pain-affecting medications within the past two weeks is also required.
  • Participants must not have other long-term pain conditions, high blood pressure, Raynaud's disease, frostbite, open wounds, broken bones, serious illnesses such as cancer, or mental health problems.
  • Visual and/or hearing impairments. These criteria apply uniformly to all four study arms: MCE, AW, MSE, and the patient education (control) arm.

These specific criteria ensure that the study group is homogeneous, which is important for examining how exercise interventions affect overweight males with nonspecific CLBP who exhibit central sensitization.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Enkel

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: Motor Control Exercise Plus Education
Participants will receive a supervised motor control exercise program combined with patient education. The intervention is designed to improve activation, coordination, and control of the deep trunk stabilizing muscles. Participants will attend two supervised sessions per week for 12 weeks (24 sessions).
Gedragsmatig: Motor Control Exercise
A supervised motor control exercise program targeting deep trunk stabilizing muscles (Motor control exercises (drawing-in, multifidus, bridging, quadruped). The program focuses on improving muscle activation, coordination, and motor control during functional tasks. Sessions will be delivered twice weekly for 12 weeks under physiotherapist supervision.
Experimenteel: Aerobic Walking Exercise Plus Education
Participants will receive a supervised moderate-intensity aerobic walking program combined with patient education. The intervention aims to improve physical fitness and endogenous pain modulation. Participants will attend two supervised sessions per week for 12 weeks (24 sessions).
Gedragsmatig: Aerobic Walking Exercise
A supervised moderate-intensity aerobic walking program designed to improve cardiovascular fitness and enhance endogenous pain inhibitory mechanisms. (5-min warm-up (treadmill) + 20-40 min moderate walking + 5-min cool-down + 30s stretching). Participants will perform structured walking sessions twice weekly for 12 weeks, monitored by a physiotherapist.
Experimenteel: Muscle Strengthening Exercise Plus Education
Participants will receive a supervised progressive muscle strengthening exercise program combined with patient education. The program targets trunk and lower-extremity muscles to improve strength and functional performance. Participants will attend two supervised sessions per week for 12 weeks (24 sessions).
Gedragsmatig: Muscle Strengthening Exercise
A supervised progressive resistance training program targeting trunk and lower limb muscles. Exercises will focus on improving muscular strength, endurance, and functional capacity. (Rectus abdominis, obliques (OI/OE), erector spinae: curl-ups, side planks, bird dog, prone extension). The program will be delivered twice weekly for 12 weeks under physiotherapist supervision.
Actieve vergelijker: Patient Education Only
Participants will receive a standardized patient education program focusing on chronic low back pain self-management, physical activity, posture, and healthy lifestyle recommendations. Participants will attend two sessions per week for 12 weeks.
Gedragsmatig: Patient Education
A structured educational program covering chronic low back pain mechanisms, posture correction, physical activity guidance, and self-management strategies. (Health education lectures + 10-min discussion: pain neuroscience, posture, self-management) Education will be delivered throughout the 12-week intervention period.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Conditioned Pain Modulation (CPM)
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Conditioned pain modulation (CPM), assessed using the Cold Pressor Test. CPM will be quantified using pressure pain threshold (PPT) measurements obtained before and after the conditioning stimulus. Higher CPM values indicate more effective endogenous pain inhibitory function.
Baseline, 12 weeks, and 6 months after intervention

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Pain Intensity
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in pain intensity measured using the Numeric Pain Rating Scale (NPRS). Scores range from 0 to 10 points, with higher scores indicating greater pain intensity.
Baseline, 12 weeks, and 6 months after intervention
Disability
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in disability measured using the Oswestry Disability Index (ODI). Scores range from 0 to 100 points, with higher scores indicating greater disability related to low back pain.
Baseline, 12 weeks, and 6 months after intervention
Health-Related Quality of Life - Physical Domain
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in physical health-related quality of life measured using the WHOQOL-BREF Physical domain. Scores range from 0 to 100, with higher scores indicating better physical quality of life.
Baseline, 12 weeks, and 6 months after intervention
Health-Related Quality of Life - Psychological Domain
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in psychological health-related quality of life measured using the WHOQOL-BREF Psychological domain. Scores range from 0 to 100, with higher scores indicating better psychological quality of life.
Baseline, 12 weeks, and 6 months after intervention
Health-Related Quality of Life - Social Relationships Domain
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in social relationships measured using the WHOQOL-BREF Social Relationships domain. Scores range from 0 to 100, with higher scores indicating better social quality of life.
Baseline, 12 weeks, and 6 months after intervention
Health-Related Quality of Life - Environment Domain
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in environmental quality of life measured using the WHOQOL-BREF Environment domain. Scores range from 0 to 100, with higher scores indicating better environmental quality of life.
Baseline, 12 weeks, and 6 months after intervention
Working Memory
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in working memory measured using the Letter-Number Sequencing Test. The outcome will be reported as the total test score, with higher scores indicating better working memory performance.
Baseline, 12 weeks, and 6 months after intervention
Executive Function
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in executive function measured using the Stroop Color-Word Test. The outcome will be reported as the Stroop interference score, with higher scores indicating poorer inhibitory control and cognitive flexibility.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Flexion Strength
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric trunk flexion strength measured using the DIERS myoline system. Higher peak force values indicate greater trunk flexion muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Extension Strength
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric trunk extension strength measured using the DIERS myoline system. Higher peak force values indicate greater trunk extension muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Lateral Flexion Strength - Right
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric right trunk lateral flexion strength measured using the DIERS myoline system. Higher peak force values indicate greater muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Lateral Flexion Strength - Left
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric left trunk lateral flexion strength measured using the DIERS myoline system. Higher peak force values indicate greater muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Rotation Strength - Right
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric right trunk rotation strength measured using the DIERS myoline system. Higher peak force values indicate greater muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Isometric Trunk Rotation Strength - Left
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in peak isometric left trunk rotation strength measured using the DIERS myoline system. Higher peak force values indicate greater muscle strength.
Baseline, 12 weeks, and 6 months after intervention
Body Weight
Tijdsspanne: Baseline, 12 weeks, and 6 months after intervention
Change in body weight measured using a calibrated digital scale and reported in kilograms (kg).
Baseline, 12 weeks, and 6 months after intervention

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Universiti Sains Malaysia

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

5 juli 2026

Primaire voltooiing (Geschat)

5 november 2026

Studie voltooiing (Geschat)

5 april 2027

Studieregistratiedata

Eerst ingediend

24 juni 2026

Eerst ingediend dat voldeed aan de QC-criteria

30 juni 2026

Eerst geplaatst (Werkelijk)

7 juli 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

7 juli 2026

Laatste update ingediend die voldeed aan QC-criteria

30 juni 2026

Laatst geverifieerd

1 juni 2026

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • HAPO-11-N-102-02604-076-043941 (Andere identificatie: NU Research Ethics Committee)

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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