Effect of Biofeedback on Knee Osteoarthritis

The effects of Isometric exercise of vastus medialis oblique Muscle; with and without electromyographic biofeedback on voluntary muscle activity, maximal muscle thickness,pain and function in patients with knee osteoarthritis

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2017041513442N14

Enrollment

Registered

2017-06-01

Start date

2016-01-01

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Knee osteoarthritis (Gonarthrosis). Gonarthrosis [arthrosis of knee]

Interventions

Intervention 1: Intervention group 1: 12 sessions isometric exercise of vastus medialis oblique muscle with electromyographic biofeedback. Intervention 2: Intervention group 2: 12 sessions isometric e

Rehabilitation

Intervention group 1: 12 sessions isometric exercise of vastus medialis oblique muscle with electromyographic biofeedback

Intervention group 2: 12 sessions isometric exercise of vastus medialis oblique without feedback

Eligibility

Sex/Gender

All

Age

51 Years to 26 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: arthralgia since the past 6 months; radiologic evidence of articular damage (grade 2,1 of Kellgren-Lawrence scale) based on knee OA criteria of ACR. Exclusion criteria: systemic diseases such as diabetes mellitus and collagen vascular disorders; history or presence of cancer or malignant disorders; any infection and active wound of the knee; presence of immunosuppressive, autoimmune disorders; recent history of severe trauma to the knee; age less than 45 or over 70 year; genu valgum/varum greater than 20 degrees.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Pain. Timepoint: at the beginning and after 2 months. Method of measurement: womac,Lequesne questionnaire.;Joint stiffness. Timepoint: at the beginning and after 2 months. Method of measurement: womac questionnaire.;Functional limitation. Timepoint: at the beginning and after 2 months. Method of measurement: womac questionnaire.;Walking ability. Timepoint: at the beginning and after 2 months. Method of measurement: Lequesne questionnaire.;Activities of daily living. Timepoint: at the beginning and after 2 months. Method of measurement: Lequesne questionnaire.;Voluntary muscular activity. Timepoint: at the beginning and after 2 months. Method of measurement: biofeedback device.;Maximal muscle thickness. Timepoint: at the beginning and after 2 months. Method of measurement: sonography.	—

Measure

Time frame

Pain. Timepoint: at the beginning and after 2 months. Method of measurement: womac,Lequesne questionnaire.;Joint stiffness. Timepoint: at the beginning and after 2 months. Method of measurement: womac questionnaire.;Functional limitation. Timepoint: at the beginning and after 2 months. Method of measurement: womac questionnaire.;Walking ability. Timepoint: at the beginning and after 2 months. Method of measurement: Lequesne questionnaire.;Activities of daily living. Timepoint: at the beginning and after 2 months. Method of measurement: Lequesne questionnaire.;Voluntary muscular activity. Timepoint: at the beginning and after 2 months. Method of measurement: biofeedback device.;Maximal muscle thickness. Timepoint: at the beginning and after 2 months. Method of measurement: sonography.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactZeynab Bossaghzade

Shahid Beheshti Univeraity of Medical Sciences

zeynabbossaghzade@yahoo.com+98 21 2273 1112

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026