Actively Recruiting

Phase Not Applicable
Age: 18Years - 50Years
All Genders
ID06809920

Analysis of Knee Joint Stability, Functional Capacity, Postural Control, Activation, and Muscle Strength in Patients with Anterior Cruciate Ligament Injury Undergoing Physiotherapy After Two Surgical Techniques: A Randomized Clinical Trial

Led by Universidade Estadual de Londrina · Updated on 2026-05-08

20

Participants Needed

3

Research Sites

95 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating knee joint stability, functional capacity, postural control, muscle activation, and muscle strength in patients with anterior cruciate ligament (ACL) injuries. This study compares two surgical techniques: conventional ACL reconstruction alone and ACL reconstruction combined with anterolateral ligament (ALL) reconstruction. Patients aged 18 to 50 years with unilateral ACL injuries will be included and followed through rehabilitation for up to nine months. Participants will be randomly assigned to one of two groups. Group 1 will undergo conventional ACL reconstruction using quadruple flexor tendons (semitendinosus and gracilis) performed with videoarthroscopy, followed by conventional physiotherapy including manual therapy, physical resources, kinesiotherapy, and isokinetic exercises. Group 2 will receive the same conventional ACL reconstruction plus ALL reconstruction using a similar surgical approach and graft preparation, followed by the same physiotherapy rehabilitation. Both groups will be evaluated before and after surgery. Throughout the study, participants will be assessed on articular range of motion, functional capacity, and isometric muscle strength at preoperative and multiple postoperative timepoints (5, 15, 30, 60, and 120 days). Secondary assessments include gait analysis, functional tests, postural control, and muscle activation measured by surface electromyography at similar intervals. The study is double-blinded and randomized, with ongoing monitoring during rehabilitation to compare outcomes between the two surgical methods.

CONDITIONS

Brief Title

Analysis Of Knee Joint Of Patients With Anterior Cruciate Ligament Injury Undergoing Physiotherapy After Two Different Surgical Techniques: A Randomized Clinical Trial.

Who Can Participate

Age: 18Years - 50Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants aged 18 to 50 years
  • Both sexes
  • Sedentary, active, or athletes
  • Diagnosed unilateral ACL injury
  • Patients residing in Londrina, PR
Not Eligible

You will not qualify if you...

  • Body mass index (BMI) above 35 kg/m2
  • Multidirectional ligament laxity
  • Associated multiligament injury (PCL and posterolateral corner)
  • Previous or current lower limb fractures
  • Previous ACL reconstruction (revision)
  • Signs of osteoarthritis
  • Indication for meniscus suture
  • Neurological disease
  • Pregnant women
  • Heart disease
  • Previous lower limb surgeries

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery and Immediate Post-operative Care

Duration - Day of surgery

Participants undergo ACL reconstruction surgery using one of two techniques, followed by immediate post-operative care.

1 surgery visit (in-person)

Treatment

Duration - Up to 120 days post-surgery

Participants receive conventional physiotherapy including manual therapy, physical resources (heat, cold, electrotherapy), kinesiotherapy, and isokinetic exercises after surgery.

Visits on postoperative days 5, 15, 30, 60, and 120

Trial Site Locations

Total: 3 locations

1

university hospital of the State University of Londrina

Londrina, Paraná, Brazil, 86038-350

Actively Recruiting

2

University Hospital of the State University of Londrina

Londrina, Paraná, Brazil, 86038-350

Actively Recruiting

3

State University of Londrina

Londrina, Paraná, Brazil, 86041-263

Actively Recruiting

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Research Team

C

Christiane Macedo

C

Caroline de Camargo

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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