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Efficacy of Combining Mulligan Spinal Mobilization With Leg Movement and Mechanical Lumbar Traction in Lumbar Radiculopathy

1 maggio 2026 aggiornato da: Khyber Medical University Peshawar

Efficacy of Combining Mulligan's Spinal Mobilization With Leg Movement Technique and Mechanical Lumbar Traction Among Patients With Lumbar Radiculopathy: A Randomized Controlled Trial

Lumbar radiculopathy (LR), often caused by disc herniation, results in significant pain, disability, and reduced quality of life. Spinal Mobilization with Leg Movement (SMWLM) is a manual technique that has shown promise, while mechanical lumbar traction is used to reduce nerve compression, though its standalone effectiveness is debated. This randomized controlled trial aims to compare the combined effect of SMWLM plus mechanical lumbar traction against SMWLM alone, both administered with conventional physiotherapy. Outcomes will be assessed over 4 weeks to determine if the combined intervention offers superior pain relief, functional improvement, and range of motion in patients with unilateral L4-L5 or L5-S1 radiculopathy.

Panoramica dello studio

Descrizione dettagliata

Lumbar radiculopathy, commonly arising from disc herniation and nerve root compression, causes disabling leg pain, functional limitations, and reduced quality of life. Manual techniques such as Spinal Mobilization with Leg Movement (SMWLM) have shown promise, while mechanical lumbar traction aims to decrease nerve compression, though its added benefit remains uncertain. This randomized controlled trial will evaluate whether the combination of SMWLM and mechanical lumbar traction, delivered alongside conventional physiotherapy, yields superior clinical outcomes compared to SMWLM and conventional therapy alone. The study will be conducted in Islamabad, Pakistan, enrolling 32 adults aged 20-50 years with unilateral L4-L5 or L5-S1 radiculopathy (confirmed by MRI, symptom duration 4 weeks-6 months, positive Straight Leg Raise below 70°, and pain <7 on the Numeric Pain Rating Scale). Participants will be randomly allocated to either the experimental group (SMWLM + intermittent mechanical lumbar traction at 50% body weight + conventional therapy) or the control group (SMWLM + conventional therapy alone).

The intervention will be applied over four weeks (three sessions weekly for the first two weeks, then two sessions weekly). SMWLM involves a sustained transverse glide to the spinous process of the superior vertebra while the patient actively performs pain-free leg movement. Mechanical traction will be applied intermittently (30-second hold, 10-second rest) for 15 minutes per session. Conventional therapy includes hot pack, TENS, and a standardized exercise program. Primary outcomes include pain intensity (Numeric Pain Rating Scale), hip range of motion during Straight Leg Raise (universal goniometer), and functional disability (Modified Oswestry Low Back Pain Questionnaire) will be measured at baseline, week 2, and week 4. Data will be analyzed using repeated-measures ANOVA and independent t-tests to assess between-group differences. This trial will provide evidence on whether combining mechanical traction with SMWLM enhances pain relief, mobility, and function in lumbar radiculopathy.

Tipo di studio

Interventistico

Iscrizione (Stimato)

32

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Backup dei contatti dello studio

Luoghi di studio

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Age 20-50 years
  • Male and female participants
  • Unilateral radiculopathy due to L4-L5 or L5-S1 disc bulge, confirmed by clinical examination and MRI
  • Symptom duration of 4 weeks to 6 months
  • Positive Straight Leg Raise (SLR) test on the affected leg (<70° of hip flexion)
  • Pain intensity <7 on the Numeric Pain Rating Scale (NPRS; mild to moderate pain)

Exclusion Criteria:

  • Cognitive impairment, dementia, central cord signs
  • Inflammatory or degenerative spine conditions
  • Spine surgery within the last 6 months
  • Pregnant women in the later half of 2nd trimester or 3rd trimester
  • Muscular involvement (e.g., Deep Gluteal syndrome, Piriformis syndrome)
  • Currently receiving medications or other contemporaneous treatment

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: SMWLM + Mechanical Lumbar Traction + Conventional Therapy
Participants receive Spinal Mobilization with Leg Movement (SMWLM), mechanical lumbar traction, and conventional physiotherapy.
The therapist positions the patient side-lying on the unaffected side with the affected leg slightly abducted. A sustained transverse manual glide is applied to the spinous process of the superior vertebra of the involved lumbar segment (e.g., L4 for an L4-L5 lesion). Simultaneously, the patient actively lifts the leg into hip flexion and knee extension, ensuring the movement remains pain-free. Dosage: 3 sets of 7-10 repetitions per treatment session.
Altri nomi:
  • Mulligan mobilization, SMWLM, spinal mobilization with limb movement
Following SMWLM, the patient is placed supine in a Fowler position with hips and knees flexed to 90°, lower legs supported. An intermittent distractive force (up to 50% of body weight) is delivered using an automatic traction device (e.g., PH-T3021). The traction cycle consists of a 30-second hold and a 10-second rest, with a 1-minute ramp-up and ramp-down, for a total of 15 minutes.
Altri nomi:
  • Intermittent lumbar traction, automatic traction therapy

All participants receive a standardized conventional therapy program consisting of:

  • Moist hot pack on the lumbar region for 10 minutes.
  • Transcutaneous electrical nerve stimulation (TENS) with 50-100 ms pulse width for 10 minutes, electrodes placed over the lumbar spine and affected lower limb.
  • Supervised therapeutic exercises: heel sitting (lumbar flexion), drawing-in maneuver, bridging, and pelvic tilting (2 sets of 5-7 repetitions per session).
  • Home exercise program: same exercises performed daily, 3 sets of 10 repetitions, with progression as tolerated.
Altri nomi:
  • Standard physiotherapy, hot pack and TENS, therapeutic exercise
Comparatore attivo: SMWLM + Conventional Therapy
Participants receive Spinal Mobilization with Leg Movement (SMWLM) and conventional physiotherapy without mechanical traction.
The therapist positions the patient side-lying on the unaffected side with the affected leg slightly abducted. A sustained transverse manual glide is applied to the spinous process of the superior vertebra of the involved lumbar segment (e.g., L4 for an L4-L5 lesion). Simultaneously, the patient actively lifts the leg into hip flexion and knee extension, ensuring the movement remains pain-free. Dosage: 3 sets of 7-10 repetitions per treatment session.
Altri nomi:
  • Mulligan mobilization, SMWLM, spinal mobilization with limb movement

All participants receive a standardized conventional therapy program consisting of:

  • Moist hot pack on the lumbar region for 10 minutes.
  • Transcutaneous electrical nerve stimulation (TENS) with 50-100 ms pulse width for 10 minutes, electrodes placed over the lumbar spine and affected lower limb.
  • Supervised therapeutic exercises: heel sitting (lumbar flexion), drawing-in maneuver, bridging, and pelvic tilting (2 sets of 5-7 repetitions per session).
  • Home exercise program: same exercises performed daily, 3 sets of 10 repetitions, with progression as tolerated.
Altri nomi:
  • Standard physiotherapy, hot pack and TENS, therapeutic exercise

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Pain Intensity
Lasso di tempo: Baseline, Week 2 (mid-intervention), Week 4 (post-intervention)
The average pain intensity (Numerical Pain Rating Scale) over the previous 24 hours is rated on an 11-point scale from 0 (no pain) to 10 (worst imaginable pain). The patient is asked to provide current, best, and worst pain ratings; the mean of the three ratings will be used.
Baseline, Week 2 (mid-intervention), Week 4 (post-intervention)
Functional Disability
Lasso di tempo: Baseline, Week 2, Week 4
Modified Oswestry Low Back Pain Questionnaire (MOLBPQ) is a validated 10-item questionnaire measuring how much low back pain has affected daily activities (e.g., walking, sitting, lifting, sleeping). Each item scores 0-5; total sum is expressed as a percentage (0-50). Higher scores indicate greater disability.
Baseline, Week 2, Week 4
Hip Range of Motion
Lasso di tempo: Baseline, Week 2, Week 4
Straight Leg Raise (SLR) Test is a pain-free hip flexion angle (in degrees) measured with a universal goniometer during the passive straight leg raise test. The examiner stops the movement at the point where the patient first reports concordant radicular pain or tightness. Standardized goniometer placement relative to the femur ensures consistency.
Baseline, Week 2, Week 4

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Investigatori

  • Investigatore principale: Muhammad Haris, DPT, Institute of Health Science, Khyber Medical University Islamabad
  • Investigatore principale: Dr Muhammad Mustafa, MSPT, Institute of Health Science, Khyber Medical University Islamabad
  • Investigatore principale: Kinza Afzal, DPT, Hamdard University Islamabad Campus

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 aprile 2026

Completamento primario (Stimato)

15 ottobre 2026

Completamento dello studio (Stimato)

15 novembre 2026

Date di iscrizione allo studio

Primo inviato

1 maggio 2026

Primo inviato che soddisfa i criteri di controllo qualità

1 maggio 2026

Primo Inserito (Effettivo)

7 maggio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

7 maggio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

1 maggio 2026

Ultimo verificato

1 maggio 2026

Maggiori informazioni

Termini relativi a questo studio

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

Descrizione del piano IPD

De-identified individual participant data (IPD) that underlie the results reported in published articles will be shared. This includes the demographic data, baseline characteristics, and all primary outcome measures (NPRS pain scores, Straight Leg Raise goniometry angles, and Modified Oswestry Disability scores) at the three assessment time points. The shared data will be accompanied by a data dictionary explaining all variable names and values.

Periodo di condivisione IPD

Data will become available beginning 6 months after publication of the primary results and will remain available for 2 years.

Criteri di accesso alla condivisione IPD

Data will be shared with researchers who provide a methodologically sound proposal. Proposals should be directed to the Principal Investigator, Dr. Muhammad Haris, at drm.harispt@gmail.com. To gain access, data requestors must sign a data access agreement that includes commitments to use the data only for the specified research purpose, to maintain appropriate data security, and not to attempt to re-identify participants. A review of the proposal by the study team is required prior to approval.

Tipo di informazioni di supporto alla condivisione IPD

  • STUDIO_PROTOCOLLO
  • LINFA
  • ICF
  • CODICE_ANALITICO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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