The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation
Abstract Purpose The purpose of this study was to determine the role of different fibre areas of the tibial footprint of the posterior cruciate ligament (PCL) in restraining posterior tibial translation. Methods A sequential cutting study on cadaveric knee specimens (n = 8) was performed, utilizing...
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| Format: | Article |
| Language: | English |
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Wiley
2025-01-01
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| Series: | Journal of Experimental Orthopaedics |
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| Online Access: | https://doi.org/10.1002/jeo2.70174 |
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| author | Adrian Deichsel Thorben Briese Wenke Liu Michael J. Raschke Alina Albert Christian Peez Elmar Herbst Christoph Kittl |
| author_facet | Adrian Deichsel Thorben Briese Wenke Liu Michael J. Raschke Alina Albert Christian Peez Elmar Herbst Christoph Kittl |
| author_sort | Adrian Deichsel |
| collection | DOAJ |
| description | Abstract Purpose The purpose of this study was to determine the role of different fibre areas of the tibial footprint of the posterior cruciate ligament (PCL) in restraining posterior tibial translation. Methods A sequential cutting study on cadaveric knee specimens (n = 8) was performed, utilizing a six‐degrees‐of‐freedom robotic test setup. The tibial attachment of the PCL was divided into nine areas, which were sequentially cut in a randomized sequence. After determining the native knee kinematics with 89 N anterior, and posterior tibial translation force at 0°, 30°, 60° and 90° knee flexion, a displacement‐controlled protocol was performed replaying the native motion. Utilizing the principle of superposition, the reduction of the restraining force represents the contribution (in‐situ forces) of each cut fibre area. Results The PCL was found to contribute 25.3 ± 11.1% in 0° of flexion, 49.7 ± 19.2% in 30° of flexion, 58.9 ± 19.3% in 60° of flexion and 50.6 ± 15.1% in 90° of flexion, to the restriction of a posterior drawer force. Depending on the flexion angle, every cut area of the tibial PCL footprint was shown to be a significant restrictor of posterior tibial translation (p ≤ 0.05). When investigating the fibre areas from anterior to posterior, the central fibre areas showed the highest contribution (35.0%–44.3%). When investigating the fibre areas from medial to lateral, the lateral fibre areas showed the highest contribution (41.4%–43.6%) from 0 to 30° knee flexion, while the medial fibre areas showed the highest contribution (41.5%) in 90° knee flexion. Conclusion The central row areas in the tibial footprint of the PCL were identified to be the main contributors inside the tibial footprint, while, depending on the flexion angle, the medial or lateral column fibre areas showed a higher contribution. These findings might inform the clinician to place a PCL graft centrally into the tibial footprint during reconstruction. Level of Evidence Not applicable. |
| format | Article |
| id | doaj-art-ce79a9a3d69c41289415d35287b4eae9 |
| institution | Kabale University |
| issn | 2197-1153 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Experimental Orthopaedics |
| spelling | doaj-art-ce79a9a3d69c41289415d35287b4eae92025-08-20T03:47:36ZengWileyJournal of Experimental Orthopaedics2197-11532025-01-01121n/an/a10.1002/jeo2.70174The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigationAdrian Deichsel0Thorben Briese1Wenke Liu2Michael J. Raschke3Alina Albert4Christian Peez5Elmar Herbst6Christoph Kittl7Department of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyDepartment of Trauma, Hand and Reconstructive Surgery University Hospital Münster Münster GermanyAbstract Purpose The purpose of this study was to determine the role of different fibre areas of the tibial footprint of the posterior cruciate ligament (PCL) in restraining posterior tibial translation. Methods A sequential cutting study on cadaveric knee specimens (n = 8) was performed, utilizing a six‐degrees‐of‐freedom robotic test setup. The tibial attachment of the PCL was divided into nine areas, which were sequentially cut in a randomized sequence. After determining the native knee kinematics with 89 N anterior, and posterior tibial translation force at 0°, 30°, 60° and 90° knee flexion, a displacement‐controlled protocol was performed replaying the native motion. Utilizing the principle of superposition, the reduction of the restraining force represents the contribution (in‐situ forces) of each cut fibre area. Results The PCL was found to contribute 25.3 ± 11.1% in 0° of flexion, 49.7 ± 19.2% in 30° of flexion, 58.9 ± 19.3% in 60° of flexion and 50.6 ± 15.1% in 90° of flexion, to the restriction of a posterior drawer force. Depending on the flexion angle, every cut area of the tibial PCL footprint was shown to be a significant restrictor of posterior tibial translation (p ≤ 0.05). When investigating the fibre areas from anterior to posterior, the central fibre areas showed the highest contribution (35.0%–44.3%). When investigating the fibre areas from medial to lateral, the lateral fibre areas showed the highest contribution (41.4%–43.6%) from 0 to 30° knee flexion, while the medial fibre areas showed the highest contribution (41.5%) in 90° knee flexion. Conclusion The central row areas in the tibial footprint of the PCL were identified to be the main contributors inside the tibial footprint, while, depending on the flexion angle, the medial or lateral column fibre areas showed a higher contribution. These findings might inform the clinician to place a PCL graft centrally into the tibial footprint during reconstruction. Level of Evidence Not applicable.https://doi.org/10.1002/jeo2.70174biomechanicsfibre areasposterior cruciate ligamentreconstruction |
| spellingShingle | Adrian Deichsel Thorben Briese Wenke Liu Michael J. Raschke Alina Albert Christian Peez Elmar Herbst Christoph Kittl The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation Journal of Experimental Orthopaedics biomechanics fibre areas posterior cruciate ligament reconstruction |
| title | The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation |
| title_full | The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation |
| title_fullStr | The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation |
| title_full_unstemmed | The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation |
| title_short | The central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force—A biomechanical robotic investigation |
| title_sort | central fibre areas in the tibial footprint of the posterior cruciate ligament show the highest contribution to restriction of a posterior drawer force a biomechanical robotic investigation |
| topic | biomechanics fibre areas posterior cruciate ligament reconstruction |
| url | https://doi.org/10.1002/jeo2.70174 |
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