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Weighted Dangling Exercises vs Vastus Medialis Oblique Muscle Neuromuscular Stimulation for Knee Osteoarthritis

8. Juli 2026 aktualisiert von: Mahnoor Fatima, University of Lahore

Effectiveness of Weighted Dangling Exercises Versus Vastus Medialis Oblique Muscle Neuromuscular Stimulation in Patients With Knee Osteoarthritis

This randomized controlled trial aims to compare the effectiveness Weighted dangling exercises versus vastus medialis oblique muscle neuromuscular electrical stimulation(VMO+NMES) in patients with knee osteoarthritis. The study will recruit 48 participants (accounting for 10% attrition), aged 40-60 years, from University of Lahore Teaching Hospital using convenience sampling. Participants will be randomly allocated into two groups: an interventional group receiving WDE and other interventional group undergoing VMO strength training with NMES. Both interventions will be administered three times per week for 8 weeks under professional supervision. Outcome measures including pain intensity (NPRS), Functional Disability (Western Ontario and McMaster Universities Osteoarthritis Index),Muscle Strength (MMT) will be assessed at baseline, 4 weeks, and 8 weeks. Data will be analyzed using SPSS, with appropriate parametric or non-parametric tests applied after checking data normality. Ethical approval will be obtained, informed consent will be secured, and participant confidentiality will be strictly maintained.

Studienübersicht

Status

Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This study is a single-blinded randomized controlled trial designed to evaluate and compare the therapeutic effectiveness Weighted dangling exercises versus vastus medialis oblique muscle neuromuscular electrical stimulation(VMO+NMES) in patients with knee osteoarthritis. The study will recruit 48 participants (accounting for 10% attrition), aged 40-60 years, from University of Lahore Teaching Hospital over a duration of 9 months following synopsis approval. A total sample size of 48 participants (24 per group) has been determined using epitool software, based on theWestern Ontario and McMaster Universities Osteoarthritis Index) , with a confidence level of 95%, power of 80%, and a 10% attrition allowance. Participants aged 40-60 years, of both genders, with clinically confirmed knee osteoarthritis. Symptoms of unilateral knee pain and crepitus persist for at least 6 months during ascending and descending motion. Radiographic Knee osteoarthritis examination. Exclusion includes recent surgery (within three months) history of hip or knee joint replacement, tibial osteotomy, or those with systemic arthritis, history of trauma such as knee fracture and other with muscular disease of neurological disorders that would affect lower extremity function is excluded. Eligible participants will be enrolled after providing written informed consent and randomized using a computer-generated block randomization method, with allocation concealment ensured through sealed opaque envelopes. Outcome assessors will be blinded to group allocation to minimize assessment bias. The one group will receive weighted dangling exercise. A gravity-assisted flexion-extension movements of the lower legs Ankle cuffs weight worn during the exercise while seated on a high couch with their legs hanging down. Other group receive neuromuscular electrical stimulation (NMES) specifically targeting the vastus medialis oblique (VMO). The NMES parameters are as follows: electrodes were placed above the superomedial border of the patella, oriented at a 55° angle to the vertical. The stimulation frequency set at 50 Hz, with a pulse duration of 250 µs and a duty cycle of 10 seconds ON and 30 seconds OFF. Sessions will be conducted three times weekly for 8 weeks, totaling 24 supervised sessions. Primary and secondary outcome measures include pain intensity (Numeric Pain Rating Scale),theWestern Ontario and McMaster Universities Osteoarthritis Index (WOMAC), muscle strength, assessed at baseline, 4 weeks, and 8 weeks post-intervention. Data will be analyzed using SPSS (version 25/27). Descriptive statistics will summarize participant characteristics, while inferential statistics will be applied based on data distribution, with significance determined accordingly. Ethical considerations will strictly adhere to the guidelines of the Institutional Research Ethics Board (IREB), University of Lahore. Participant confidentiality, voluntary participation, right to withdraw, and safety monitoring will be ensured throughout the study. No serious adverse effects are anticipated.

Studientyp

Interventionell

Einschreibung (Geschätzt)

48

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

    • Punjab Province
      • Lahore, Punjab Province, Pakistan, 54000
        • Rekrutierung
        • University of Lahore Teaching Hospital, Lahore, Pakistan
        • Kontakt:
        • Kontakt:
        • Hauptermittler:
          • Mahnoor Fatima, MS MSK
        • Hauptermittler:
          • Hafiza Sana Ashraf, PhD PT*

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

Both genders and aged between 40 and 60 years. Symptoms of unilateral knee pain and crepitus persist for at least 6 months during ascending and descending motion. Radiographic KOA; grade 2 or more according to Kellgren and Lawrence scale. Patient referred by an orthopedic physician Those who have taken oral corticosteroids within the last month or who received intra-articular corticosteroid injection or analgesic injection intervention for hip or knee pain within the last 3 month

Exclusion Criteria:

  • Recent surgery (within three months) history of hip or knee joint replacement, tibial osteotomy, orthoses with systemic arthritis, history of trauma such as knee fracture and other with muscular disease of neurological disorders that would affect lower extremity function is excluded.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Single

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: interventional group A
The experimental group A will receive weighted dangling exercise. A gravity-assisted flexion-extension movements of the lower legs Ankle cuffs weight worn during the exercise while seated on a high couch with their legs hanging down
This group receive neuromuscular electrical stimulation (NMES) specifically targeting the vastus medialis oblique (VMO). The NMES parameters are as follows: electrodes were placed above the superomedial border of the patella, oriented at a 55° angle to the vertical. The stimulation frequency set at 50 Hz, with a pulse duration of 250 µs and a duty cycle of 10 seconds ON and 30 seconds OFF
Aktiver Komparator: interventional group B
Experimental group B receive neuromuscular electrical stimulation (NMES) specifically targeting the vastus medialis oblique (VMO). The NMES parameters are as follows: electrodes were placed above the superomedial border of the patella, oriented at a 55° angle to the vertical. The stimulation frequency set at 50 Hz, with a pulse duration of 250 µs and a duty cycle of 10 seconds ON and 30 seconds OFF
The one group will receive weighted dangling exercise. A gravity-assisted flexion-extension movements of the lower legs Ankle cuffs weight worn during the exercise while seated on a high couch with their legs hanging down

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Pain Intensity (Numeric Pain Rating Scale)
Zeitfenster: baseline,4 weeks and 8 weeks
Pain in this study is defined as subjective discomfort in the knee joint caused by osteoarthritis. It was evaluated using the Numeric Pain Rating Scale (NPRS), which is a reliable and proven technique for quantifying pain intensity. Participants score their discomfort on an 11-point scale, with 0 indicating "no pain" and 10 representing "the worst pain imaginable.
baseline,4 weeks and 8 weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Functional disability:(WOMAC)
Zeitfenster: Baseline 4 weeks and 8 weeks
Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), which is a well-used and validated questionnaire. The WOMAC measures three dimensions: pain (5 things), stiffness (2 items), and physical function (17 items). Each item is assessed on a scale of 0 (no difficulty) to 4 (severe difficulty), with a total WOMAC score of 0-96. Higher scores indicate greater functional disability. The questionnaire examines pain while walking or ascending stairs, stiffness in the morning or later in the day, and difficulty with sitting, standing, and lifting objects.
Baseline 4 weeks and 8 weeks

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Ermittler

  • Hauptermittler: Mahnoor Fatima, MS MSK*, University Institute of Physical Therapy, University of Lahore
  • Hauptermittler: Hafiza Sana Ashraf, PhD PT*, University Institute of Physical Therapy, University of Lahore

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

25. Mai 2026

Primärer Abschluss (Geschätzt)

25. August 2026

Studienabschluss (Geschätzt)

10. September 2026

Studienanmeldedaten

Zuerst eingereicht

8. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

8. Juli 2026

Zuerst gepostet (Tatsächlich)

14. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

14. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

8. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Andere Studien-ID-Nummern

  • UOL/IREB/25/15/03/26 (Andere Kennung: University Of Lahore)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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