Knee Ligament Injury follow-up (ACL Surgery Follow-Up) Using Arthrometers

Enhance knee ligament injury follow-up with GNRB & Dyneelax arthrometers. Our content highlights their crucial role in managing knee injuries for professionals like orthopedic surgeons and physical therapists. Learn about their advanced sensitivity and impact on rehabilitation, through expert insights and success stories. Embrace the new standard in patient care.



Ensuring a successful recovery journey for patients with knee ligament injuries necessitates meticulous follow-up and precise monitoring of the healing process. Traditionally, magnetic resonance imaging (MRI) has been employed to assess the extent of ligament damage and track recovery. However, these methods can sometimes fall short in sensitivity, especially in cases of partial anterior cruciate ligament (ACL) ruptures and ongoing assessments.

The GNRB & Dyneelax arthrometers have emerged as groundbreaking tools designed to enhance diagnostic accuracy and follow-up efficiency. These state-of-the-art arthrometers are tailored to provide unprecedented precision and ease in monitoring knee ligament injuries. By offering a reliable, non-invasive, and cost-effective alternative to traditional methods, GNRB & Dyneelax are rapidly becoming indispensable tools for orthopedic surgeons, radiologists, sports medicine doctors, and physical therapists.

In this section, we explore the critical role that these arthrometers play in the follow-up of knee ligament injuries, showcasing how they contribute to streamlined patient care and improved recovery outcomes.

a man scoring in basketball
a patient sitting and talking to her doctor. Knee Ligament Injury Follow-Up.
a doctor talking to her patient
a man sitting with his tennis racket

The Need for Accurate Knee Ligament Injury Follow-up

The journey of recovery from a knee ligament injury is often a complex and nuanced process. During this period, healthcare professionals are tasked with ensuring that the treatment is progressing as expected and that any potential complications are swiftly identified and addressed. Regular and accurate follow-up assessments are pivotal in achieving this goal.

Challenges with Traditional Methods: Traditional methods, such as MRI, have long been employed to track the rehabilitation progress of ligament injuries. While MRIs offer detailed imagery, they come with their own set of limitations:


MRIs may not always detect minor changes or partial ruptures effectively, leading to possible underdiagnosis or delayed interventions.


Regular MRI scans can be challenging to schedule promptly and may be burdensome for patients.


Frequent MRI examinations can be financially taxing for healthcare systems and patients alike.

The Importance of Precision: Precise and timely follow-ups are critical in adjusting and optimizing treatment plans. An accurate evaluation allows healthcare professionals to:

Monitor Healing

Keep a close eye on the healing trajectory and ensure that it aligns with the expected recovery timeline.

Tailor Rehabilitation

Make informed adjustments to rehabilitation exercises and physiotherapy regimens based on the progress or setbacks observed.

Prevent Complications

Early detection of any discrepancies or abnormalities can prevent complications and ensure prompt interventions.

In light of these needs, finding a method that can seamlessly integrate into the regular follow-up routine while providing accurate and reliable data becomes imperative. The quest for such a solution brings us to the advanced capabilities of the GNRB & Dyneelax arthrometers.

Advantages of Using GNRB & Dyneelax Arthrometers for Follow-up:

The GNRB & Dyneelax arthrometers are crafted to meet the specific needs of healthcare professionals in the accurate follow-up of knee ligament injuries. These tools stand out for their ability to provide a host of benefits that make the recovery monitoring process more efficient and precise.

High Sensitivity

GNRB & Dyneelax arthrometers excel in detecting even subtle changes in knee laxity. Their high sensitivity proves especially beneficial in identifying partial ACL ruptures, where traditional methods like MRI may not be as effective.

Non-Invasive Assessment

These arthrometers offer a non-invasive means of assessing knee ligament health. Patients can undergo evaluations without discomfort, making the devices suitable for frequent use during follow-ups.

Cost-Effective Solution

Compared to the financial implications of repeated MRI scans, GNRB & Dyneelax arthrometers present a cost-effective alternative for continuous monitoring, thereby easing the economic burden on both healthcare providers and patients.

Time-Efficient Evaluations

Quick and easy to use, these arthrometers enable healthcare professionals to conduct assessments promptly. This time efficiency ensures that patients receive immediate feedback and adjustments to their treatment plans when necessary.

Objective and Quantifiable Data

The arthrometers provide quantifiable data on knee laxity, allowing for objective evaluations and comparisons over time. This data-driven approach facilitates a more personalized and precise treatment plan.

Compatibility and Integration

The GNRB & Dyneelax arthrometers can be easily integrated into existing patient management systems, ensuring seamless communication and record-keeping thanks the production of results in PDF.

Versatility in Application

Ideal for use by orthopedic surgeons, radiologists, sports medicine doctors, and physical therapists alike, these arthrometers cater to a wide spectrum of healthcare professionals involved in knee rehabilitation.

Together, We Achieve

Every step in recovery is a victory. Embrace the journey to rebuild, stronger than before.

Application in Follow-up Assessments:

GNRB & Dyneelax arthrometers play a pivotal role in streamlining and optimizing follow-up assessments for patients with knee ligament injuries. Let’s explore how these devices find application across various stages of the recovery journey.

doctors looking at the camera

Diagnosis Monitoring

The arthrometers allow healthcare professionals to monitor subtle changes in knee laxity over time, ensuring that any deviation from the expected healing trajectory is promptly identified.

Treatment Plan Adjustment

By providing precise and reliable data, GNRB & Dyneelax arthrometers empower healthcare providers to make informed adjustments to rehabilitation plans. Tailored interventions, such as changes in physiotherapy exercises or medication, can be implemented based on the data gathered.

Prevention of Re-Injury

Regular assessments using these arthrometers help identify any lingering instability or laxity in the knee, which can be indicative of a risk of re-injury. By spotting these signs early, preventative measures can be taken to strengthen the knee and safeguard against future injuries.

Progress Tracking

The objective data procured by these devices allows for a systematic tracking of progress. This can be beneficial not just for healthcare providers but also for patients, who can gain a clear understanding of their recovery journey.

Post-Surgical Follow-up

For patients who have undergone surgical procedures, these arthrometers can be used to closely monitor the healing process, ensuring that the surgical intervention has been successful and that the knee is regaining its stability and strength.

Athletic Performance Monitoring

For athletes, the arthrometers can be used to regularly assess the strength and stability of the knee ligaments, ensuring that they are fit to return to their sports activities and minimizing the risk of future injuries.

Physical Therapy Integration

Physical therapists can utilize the data from GNRB & Dyneelax arthrometers to fine-tune therapy sessions, optimizing exercises for the best recovery outcomes.

Long-Term Health Surveillance

Even after the initial recovery phase, these arthrometers can be used for periodic checks to ensure the long-term health and stability of the knee.

Woman doing sports sitting on the floor.

Discover Proven Outcomes

Case Studies

Sports Medicine Technology: a therapist holding the knee of a patient. synthetic acl rehabilitation protocol. BPTB Rehabilitation Protocol. Hamstring Tendon Rehabilitation Protocol.
2017 - ACL Grafts Compliance During Time: Influence of Early Solicitations on the Final Stiffness of the Graft after Surgery

DOI: 10.24966/ORP-2052/100035
Stéphane Nouveau, Henri Robert, Thimothee Viel,
a window with a doctor in a room
2023 - GNRB® laximeter with magnetic resonance imaging in clinical practice for complete and partial anterior cruciate ligament tears detection: A prospective diagnostic study with arthroscopic validation on 214 patients.

DOI: 10.1016/j.knee.2023.03.017
Theo Cojean, Cecile Batailler, Henri Robert, Laurence Cheze
CHU Nantes, CHU Angers, CH Laval (French Hospitals)
A doctor writing on a white file. Arthrometer Rehabilitation Tech.
2023 - Sensitivity, repeatability and reproducibility study with a leg prototype of a recently developed knee arthrometer: The DYNEELAX®

DOI: 10.1016/j.medntd.2023.100254
Theo Cojean, Cecile Batailler, Henri Robert, Laurence Cheze
Université Gustave Eiffel, Lyon, France

Don’t just take our word for it


Your questions answered

Common questions

GNRB & Dyneelax arthrometers offer a high level of sensitivity, especially in detecting partial ACL ruptures, which may sometimes be challenging for traditional MRIs. Additionally, they are non-invasive, cost-effective, and time-efficient, making them well-suited for frequent follow-up assessments.

Yes, GNRB & Dyneelax arthrometers are designed to be adaptable and can be used to assess knee ligament health in patients across different age groups, taking into account the specific considerations for each demographic.

The frequency of follow-up assessments is determined by the healthcare professional based on the patient’s specific condition, treatment plan, and recovery progress. Regular assessments can be beneficial in tracking and optimizing the rehabilitation process.

While GNRB & Dyneelax arthrometers are safe and non-invasive, it’s important to consult the manufacturer’s guidelines and contraindications to ensure appropriate use. Any specific patient conditions or concerns should be discussed with a healthcare professional.

Yes, physical therapists can utilize the data obtained from GNRB & Dyneelax arthrometers to tailor and adjust rehabilitation exercises and therapy sessions, ensuring optimal recovery outcomes.


To assist healthcare professionals in leveraging the GNRB & DyneeLax arthrometers to their fullest potential, we have curated a collection of resources. These are designed to provide comprehensive insights, from basic setup and operation to in-depth diagnostic procedures. These resources aim to facilitate seamless integration of these innovative tools into your diagnostic practice, ensuring accurate and timely identification of knee ligament injuries.

Research Articles & Clinical Studies:

2023 - GNRB® laximeter with magnetic resonance imaging in clinical practice for complete and partial anterior cruciate ligament tears detection: A prospective diagnostic study with arthroscopic validation on 214 patients.
DOI: 10.1016/j.knee.2023.03.017

2023 - Sensitivity, repeatability and reproducibility study with a leg prototype of a recently developed knee arthrometer: The DYNEELAX®
DOI: 10.1016/j.medntd.2023.100254

2019 - Anterior knee translation measurements after ACL reconstruction are influenced by the type of laximeter used.
DOI: 10.1007/s00167-020-05950-5

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