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

30 juin 2026 mis à jour par: 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.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Intervention / Traitement

Description détaillée

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.

Type d'étude

Interventionnel

Inscription (Estimé)

156

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

  • Nom: Mohammad AbdlRahman Jarrar, Master of Sciences
  • Numéro de téléphone: Mohammad KSA. 00966502764110
  • E-mail: jarrar@studen.usm.my

Lieux d'étude

  • Arabie Saoudite
    • Najran Region
      • Najran, Najran Region, Arabie Saoudite, 61441
        • Physiotherapy Clinic at the College of Applied Medical Sciences, Najran University, Najran City, Saudi Arabia.
        • Contact:
          • Mohammad AbdlRahman Jarrar, Master of Sciences
          • Numéro de téléphone: KSA. 00966502764110
          • E-mail: jarrar@student.usm.my
        • Contact:
        • Chercheur principal:
          • Mohammad AbdlRahman Jarrar, Master of Sciences
        • Sous-enquêteur:
          • Dr Eva NABIHA BINTI ZAMRI, PhD, PUBLIC HEALTH
        • Sous-enquêteur:
          • DR. HAZWANI AHMAD USOF@HANAFI, PhD Health Sciences

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte

Accepte les volontaires sains

Non

La description

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.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Seul

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: 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).
Comportemental: 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.
Expérimental: 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).
Comportemental: 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.
Expérimental: 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).
Comportemental: 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.
Comparateur actif: 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.
Comportemental: 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.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Conditioned Pain Modulation (CPM)
Délai: 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

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Pain Intensity
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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
Délai: 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

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Universiti Sains Malaysia

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

5 juillet 2026

Achèvement primaire (Estimé)

5 novembre 2026

Achèvement de l'étude (Estimé)

5 avril 2027

Dates d'inscription aux études

Première soumission

24 juin 2026

Première soumission répondant aux critères de contrôle qualité

30 juin 2026

Première publication (Réel)

7 juillet 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

7 juillet 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

30 juin 2026

Dernière vérification

1 juin 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

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

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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