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A Study on the Effectiveness of Ankle Dorsiflexion Range of Motion Training in Patients With Patellofemoral Joint Pain.

NCT06958757 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 64

Last updated 2025-05-06

No results posted yet for this study

Summary

Patellofemoral Pain (PFP) is a common knee condition causing pain around the kneecap during activities like running or squatting. Limited ankle flexibility ("dorsiflexion" - how far participants can lift their toes toward the shin) may worsen PFP by altering leg movements. This study investigates whether adding ankle flexibility exercises to standard knee-strengthening programs improves outcomes for young adults with PFP. Active adults aged 18-30 with PFP and limited ankle flexibility (measured with a simple tool) are eligible, excluding those with prior knee/ankle surgeries, fractures, or conditions like arthritis. Sixty-four participants will be randomly assigned to either an Exercise + Ankle Training group (standard knee exercises plus targeted ankle training) or an Exercise-Only group for 8 weeks under physiotherapist guidance. Outcomes include improvements in knee pain scores (Kujala Scale), ankle flexibility changes, and muscle coordination measured with non-invasive sensors. If effective, ankle flexibility training could provide a low-cost addition to current treatments, helping patients resume activities with less pain. The study follows international ethical guidelines and has received preliminary ethics approval (No. TJUS-2025-054).

Conditions

  • Patellofemoral Pain, PFP

Interventions

OTHER

Standard Exercise Therapy + Ankle Dorsiflexion Training

The experimental group receives: Standard Exercise Therapy (30 min/session, 3x/week for 8 weeks): Quadriceps eccentric exercises (e.g., slow step-downs), Hip abductor strengthening (e.g., side-lying leg lifts), and Neuromuscular control drills (e.g., single-leg balance on unstable surfaces). Ankle Dorsiflexion Training (15 min/session, 3x/week for 8 weeks): Mobilization techniques (posterior glides of the talus), Resistance band exercises (dorsiflexion against elastic bands), Progressive Achilles tendon stretching (weight-bearing calf stretches). Exercise progression (resistance/intensity) is adjusted biweekly based on functional assessments.

OTHER

Standard Exercise Therapy Only

Standard Exercise Therapy (30 min/session, 3x/week for 8 weeks): Quadriceps eccentric exercises (e.g., slow step-downs), Hip abductor strengthening (e.g., side-lying leg lifts), and Neuromuscular control drills (e.g., single-leg balance on unstable surfaces). Exercise progression (resistance/intensity) is adjusted biweekly based on functional assessments.

Sponsors & Collaborators

  • Tianjin University of Sport

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-05-06
Primary Completion
2025-09-10
Completion
2025-09-10

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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 NCT06958757 on ClinicalTrials.gov