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Strain Counterstrain Versus Graston Technique for Patellofemoral Pain Syndrome (SCS-GRAS-PFPS)

10. Mai 2026 aktualisiert von: Saman Bukish Cheema, Green International University

Immediate Effects of Strain CountetStrain Versus Graston Technique on Pain and Range of Motion in Patients With Patellofemoral Pain Syndrome: A Randomized Clinical Trail.

This clinical trial compares the effects of Strain Counterstrain technique versus Graston Technique on pain and range of motion in patients with patellofemoral pain syndrome.

Adults with patellofemoral pain syndrome were included in this study. A total of 60 participants were divided into two groups with 30 patients in each group.

One group received Strain Counterstrain technique and the other group received Graston Technique. Pain was assessed using the Kujala Scoring System and functional status was measured using a substructural questionnaire. Range of motion was also evaluated before and after treatment.

The main goal of this study is to determine which technique is more effective in reducing pain and improving knee function in patients with patellofemoral pain syndrome.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Patellofemoral Pain Syndrome (PFPS) is a common musculoskeletal condition characterized by anterior knee pain, especially during activities like squatting, climbing stairs, or prolonged sitting. Conservative management through manual therapy is widely used, but comparative effectiveness of different techniques remains unclear.

This randomized clinical trial was designed to compare the effects of Strain Counterstrain (SCS) technique versus Graston Technique on pain intensity, knee range of motion, and functional status in patients diagnosed with patellofemoral pain syndrome.

A total of 60 participants diagnosed with PFPS were recruited and randomly allocated into two equal groups, with 30 patients in each group. Group A received Strain Counterstrain technique, which involves passive positioning of the affected tissue to achieve a position of comfort and reduce tender point sensitivity. Group B received Graston Technique, an instrument-assisted soft tissue mobilization (IASTM) therapy that uses specialized stainless steel instruments to detect and treat soft tissue restrictions, scar tissue, and fascial adhesions around the knee.

The intervention period lasted for 12 weeks with 3 sessions per week. Outcome measures were assessed at baseline and post-intervention. Pain was evaluated using the Kujala Anterior Knee Pain Scale, also known as the Kujala Scoring System, which is a validated tool for PFPS. Functional status was assessed using a substructural questionnaire evaluating daily activities. Knee range of motion was measured using a standard goniometer.

The primary objective of this study is to determine whether Strain Counterstrain or Graston Technique provides superior outcomes in terms of pain reduction, improved range of motion, and enhanced functional capacity in patients with patellofemoral pain syndrome. The findings will help clinicians select the most effective manual therapy approach for managing PFPS.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

60

Phase

  • Unzutreffend

Kontakte und Standorte

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

Studienorte

  • Pakistan
    • Punjab Province
      • Lahore, Punjab Province, Pakistan, 54000
        • Sir Ganga Ram Hospital, Department of Physical Therapy

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:

  • Age 18-45 years.
  • Anterior or peripatellar knee discomfort reproduced by a minimum of two aggravating exercises (e.g., squatting, stairs, running, prolonged sitting).
  • No history of trauma.
  • On the Numerical Pain Rating Scale (NPRS), pain severity is ≥3/10 at baseline.
  • Symptom duration ≥2 months.
  • Ability to understand instructions and provide informed consent (or parental consent for minors).

Exclusion Criteria:

  • Individuals who have had lower limb surgery within the previous 12 months
  • Existence of other knee pathologies (e.g., meniscal tear with locking, tibiofemoral osteoarthritis, inflammatory arthritis).
  • Skin infection, open wound, or dermatological condition at the treatment site.
  • Use of anticoagulants/bleeding disorders or recent corticosteroid injection within 3 months.
  • Receipt of manual therapy (SCS, IASTM/Graston) to the affected knee within the past 4 weeks.

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: Verdreifachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Strain Counterstrain Group
Participants in this arm received Strain Counterstrain technique for patellofemoral pain syndrome. This technique involves identifying tender points and passively positioning the affected tissue to a position of comfort to reduce pain and muscle spasm. Treatment sessions were administered 3 times per week for 12 weeks. 30 participants were assigned to this group.
Verfahren: Strain Counterstrain
Strain Counterstrain is a manual therapy technique that involves identifying tender points in muscles and fascia. The therapist passively positions the patient's body to a position of comfort that reduces or eliminates the tenderness. This position is held for 90 seconds to allow neuromuscular reset, followed by slow return to neutral. The technique aims to reduce muscle spasm, normalize proprioceptive activity, and decrease pain in patients with patellofemoral pain syndrome. Sessions were administered 3 times per week for 12 weeks.
Andere Namen:
  • SCS
  • Positional Release Therapy
Experimental: Graston Technique Group
Participants in this arm received Graston Technique, an instrument-assisted soft tissue mobilization (IASTM) therapy. This technique uses specialized stainless steel instruments to detect and treat soft tissue restrictions, scar tissue, and fascial adhesions around the knee. Treatment sessions were administered 3 times per week for 12 weeks. 30 participants were assigned to this group.
Verfahren: Graston Technique
Graston Technique is an evidence-based form of instrument-assisted soft tissue mobilization (IASTM). It uses six specialized stainless steel instruments to scan, detect, and treat soft tissue lesions, scar tissue, and fascial restrictions. The instruments are used by trained clinicians to apply controlled microtrauma to affected areas around the knee, promoting tissue healing and remodeling. The goal is to break down adhesions, reduce pain, and improve range of motion and function in patients with patellofemoral pain syndrome. Sessions were administered 3 times per week for 12 weeks.
Andere Namen:
  • IASTM
  • Instrument-unterstützte Weichgewebemobilisierung

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Pain and Function using Kujala Anterior Knee Pain Scale
Zeitfenster: Baseline and 12 weeks post-intervention
The Kujala Anterior Knee Pain Scale, also known as Kujala Scoring System, was used to assess pain and functional limitations related to patellofemoral pain syndrome. This is a 13-item self-administered questionnaire evaluating symptoms such as pain during walking, stair climbing, squatting, running, and prolonged sitting. The total score ranges from 0 to 100 points, where 0 represents complete disability and 100 represents no disability. A higher score indicates less pain and better knee function. Change from baseline was calculated to determine treatment effectiveness.
Baseline and 12 weeks post-intervention

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Knee Range of Motion
Zeitfenster: Baseline and 12 weeks post-intervention
Knee flexion and extension range of motion was measured using a standard universal goniometer. Active range of motion was recorded in degrees. Increased range of motion indicates improvement in knee function.
Baseline and 12 weeks post-intervention
Change in Functional Status
Zeitfenster: Baseline and 12 weeks post-intervention
Functional status was assessed using a substructural questionnaire evaluating the impact of patellofemoral pain syndrome on daily activities such as walking, stair climbing, squatting, and prolonged sitting. Higher scores indicate better functional capacity.
Baseline and 12 weeks post-intervention

Mitarbeiter und Ermittler

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

Sponsor

Green International University

Mitarbeiter

Sir Ganga Ram Hospital

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)

2. November 2025

Primärer Abschluss (Tatsächlich)

29. April 2026

Studienabschluss (Tatsächlich)

5. Mai 2026

Studienanmeldedaten

Zuerst eingereicht

10. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

10. Mai 2026

Zuerst gepostet (Tatsächlich)

15. Mai 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

15. Mai 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

10. Mai 2026

Zuletzt verifiziert

1. Mai 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • GIU/REC/26-28

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Beschreibung des IPD-Plans

Only IPD used in the results publication will be shared.

IPD-Sharing-Zeitrahmen

It will be available after the completion of the study.

IPD-Sharing-Zugriffskriterien

Data requests should be sent to the corresponding author. Access will be granted to qualified researchers for approved research proposals. Data will be de-identified before sharing.

Art der unterstützenden IPD-Freigabeinformationen

  • STUDIENPROTOKOLL
  • SAFT
  • ICF
  • CSR

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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