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Eccentric Versus Concentric Quadriceps Exercises in Knee Osteoarthritis

NCT07460466 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2026-03-11

No results posted yet for this study

Summary

This study aims to compare the effectiveness of eccentric and concentric quadriceps femoris strengthening exercises in patients with knee osteoarthritis. Knee osteoarthritis is a common musculoskeletal condition that causes pain, reduced joint movement, muscle weakness, and functional limitations.

Participants will be assigned to perform either eccentric or concentric unilateral open kinetic chain quadriceps exercises using isotonic loading based on a 10-repetition maximum (10-RM). The exercise program will be conducted three times per week for six weeks.

The primary objective is to evaluate differences in quadriceps muscle strength between the two exercise approaches. Secondary outcomes include changes in knee range of motion and functional capacity measured using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). The results of this study are expected to provide evidence to guide exercise prescription in rehabilitation programs for patients with knee osteoarthritis.

Conditions

Interventions

OTHER

Eccentric Quadriceps Exercise

Unilateral isotonic quadriceps strengthening emphasizing eccentric contraction using the NK Table, 3 sessions per week for 6 weeks, intensity based on 10-RM. Weeks 1-3: 3 sets of 6 repetitions; Weeks 4-6: 3 sets of 8 repetitions.

OTHER

Concentric Quadriceps Exercise

Unilateral isotonic quadriceps strengthening emphasizing concentric contraction using the NK Table, 3 sessions per week for 6 weeks, intensity based on 10-RM. Weeks 1-3: 3 sets of 6 repetitions; Weeks 4-6: 3 sets of 8 repetitions.

Sponsors & Collaborators

  • Indonesia University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
40 Years
Max Age
59 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-07-15
Primary Completion
2025-06-13
Completion
2025-11-21

Countries

  • Indonesia

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07460466 on ClinicalTrials.gov