Research Studies

Discover real-world applications and outcomes of knee arthrometers in clinical and research settings. Our case studies highlight practical uses, results, and insights gained from using GNRB and Dynelax.

Unal 2024 study

Mastering ACL Measurement: The GNRB Learning Curve for Clinicians

Study Title: GNRB® Knee Arthrometer: Inter- and Intra-observer Reliability and GNRB Learning Curve DOI: 10.7759/cureus.70838 Authors: Pauline Unal, Ramy Samargandi, Antoine Schmitt, Hoel Letissier, Julien Berhouet Affiliations: Orthopedic Surgery departments across Centre Hospitalier Régional Universitaire de Tours, Centre Hospitalière d’Amboise, and other noted institutions in France. Introduction Diagnosing anterior cruciate ligament (ACL) injuries accurately and […]

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Cojean 2024 study

Groundbreaking Study Sets Diagnostic Thresholds for Pediatric ACL Injuries with GNRB® Robotic Arthrometer

The Knee, Volume 51, Issue 2, pages 268–275 Study title: Establishment of Anterior Cruciate Ligament Injury Thresholds for Injured Pediatric Population with GNRB®, a Prospective Study on 141 Children (Pediatric ACL Injuries). DOI: 10.1016/j.knee.2024.09.011 Authors: Théo Cojean, Catherine Mulier, Laurence Cheze, Franck Chotel Affiliations: Université Gustave Eiffel – Campus de Bron, Hôpital Universitaire Femme Mère

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Screenshot 2024 10 02 at 12.32.32

Intra‐rater and Inter‐rater reliability of Robotic Arthrometer DYNEELAX®

Journal of Experimental Orthopaedics, Volume 11, Issue 3, July 2024 Study title: Intra‐rater and inter‐rater reliability of robotic arthrometer DYNEELAX® DOI: 10.1002/jeo2.70026 Authors: Katja Mihalinec , Carmen B Martinez-Cepa , Juan C Zuil-Escobar , Nataša Kejžar , Renata VauhnikCHU Nantes, CHU Angers, CH Laval (French Hospitals) The following article is about Dyneelax Reliability. The DYNEELAX® arthrometer represents a significant advancement in the field of

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MRI vs GNRB Scientific review

Improving ACL Tear Detection: How Robotic Arthrometers Complement MRI (MRI vs Arthrometer Study)

The Knee Journal, Vol. 42, June 2023 Study title: 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. MRI vs Arthrometer. DOI: 10.1016/j.knee.2023.03.017 Authors: Theo Cojean, Cecile Batailler, Henri Robert, Laurence ChezeCHU Nantes, CHU Angers, CH Laval (French

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medial plane study

Exploring the Role of Medial Knee Structures in Controlling Anterior Tibial Translation and Rotation: Insights from a Cadaveric Study Using the Dyneelax® Laximeter

Journal of Experimental Orthopaedics: Volume 11, Issue 3, July 2024 Understanding the specific roles of the various ligamentous structures within the knee is essential for improving clinical outcomes in patients with knee injuries. A recent study titled “All the menisco‐ligamentary structures of the medial plane play a significant role in controlling anterior tibial translation and

Exploring the Role of Medial Knee Structures in Controlling Anterior Tibial Translation and Rotation: Insights from a Cadaveric Study Using the Dyneelax® Laximeter Read More »

Aspetar Study

Evaluating the Reliability of DYNEELAX® Arthrometer in Measuring Knee Laxity: A Comprehensive Review

Volume 2024, Article ID 3413466 Anterior Cruciate Ligament (ACL) injuries represent a significant clinical challenge in orthopedics, primarily due to their prevalence among athletes and physically active individuals. As stipulated in the first sentence of this review, traditional diagnostic methods, including manual laxity tests and magnetic resonance imaging (MRI), often fall short in terms of

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gnrb study screenshot

Anterior Tibial Eminence Fractures and Knee Laxity in Children

Orthopaedics & Traumatology: Surgery & Research, Volume 109, Issue 8, December 2023, 103533 Knee injuries in children, especially those active in sports, present a unique challenge to pediatric orthopedics. Among these injuries, anterior tibial eminence (ATE) fractures stand out due to their potential to significantly impact the knee’s stability and function. These fractures involve the

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Scientific study

Breaking Down the Impact: New Insights into ACL Injuries and Rehabilitation

The Knee Journal, Vol. 47, March 2024 In a groundbreaking study recently published in The Knee, researchers Djaffar Mouhli, Théo Cojean, Sébastien Lustig, and Elvire Servien have provided new insights into the complex relationship between Hamstring Stiffness & Anterior tibial translation (ATT) in patients with anterior cruciate ligament (ACL) ruptures. Utilizing the state-of-the-art GNRB® dynamic knee laxity arthrometer,

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