Ribbon like appearance of the midsubstance fibres of the anterior cruciate ligament close to its femoral insertion site: a cadaveric study including 111 knees
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PURPOSE: Recently, the configuration of the anterior cruciate ligament (ACL) from its direct femoral insertion to midsubstance was found to be flat. This might have an important impact for anatomical ACL reconstruction. The purpose of this anatomical study was to evaluate the macroscopic appearance of the ACL from femoral to midsubstance. METHODS: The ACL was dissected in 111 human fresh frozen cadaver knees from its femoral insertion to midsubstance, and the shape was described. The anatomical findings were documented on digital photographs and on video. Thirty knees were sent for computed tomography (CT), magnetic resonance imaging (MRI) and histology of the femoral ACL insertion. RESULTS: Two millimetres from its direct femoral insertion, the ACL fibres formed a flat ribbon in all dissected knees without a clear separation between AM and PL bundles. The ribbon was in exact continuity of the posterior femoral cortex. The width of the ribbon was between 11.43 and 16.18 mm and the thickness of the ACL was only 2.54-3.38 mm. 3D CT, MRI and the histological examination confirmed above findings. CONCLUSION: This is a detailed anatomical study describing the ribbon-like structure of the ACL from its femoral insertion to midsubstance. A key point was to carefully remove the surface fibrous membrane of the ACL. A total of 2-3 mm from its bony femoral insertion, the ACL formed a flat ribbon without a clear separation between AM and PL bundles. The ribbon was in exact continuity of the posterior femoral cortex. The findings of a flat ligament may change the future approach to femoral ACL footprint and midsubstance ACL reconstruction and to graft selection.
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Śmigielski et al., in a cadaveric study of 111 knees, concluded that the ACL forms a flat ribbon without a clear separation between the AMB and PLB.
“Śmigielski et al. [43] conducted a 282 cadaveric study including 111 knees and concluded that the ACL forms a flat 283 ribbon without a clear separation between the AMB and PLB .”
From Computational study of kinematics of the anterior cruciate ligament double-bundle structure during passive knee flexion-extension (2020) · cites this paper as [43]
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Sorted by citations
Noailles, T., Boisrenoult, P., Sanchez, M., Beaufils, P., & Pujol, N. (2017) · Arthroscopy · doi:10.1016/j.arthro.2017.03.019 · Cited by 29 · see citing works
Otani, T., Kobayashi, Y., & Tanaka, M. (2020) · Medical Engineering & Physics · doi:10.1016/j.medengphy.2020.07.015 · Cited by 7 · see citing works
- Authors
- Śmigielski, R., Zdanowicz, U., Drwięga, M., Ciszek, B., Ciszkowska-Łysoń, B., & Siebold, R.
- Affiliations
- Medical University of Warsaw (PL)
- Heidelberg University (DE)
- Venue
- Knee Surgery, Sports Traumatology, Arthroscopy
- Publisher
- Wiley
- Published
- 2014-06-28
- Volume
- 23
- Issue
- 11
- Pages
- 3143-3150
- ISSN
- 0942-2056 (ISSN-L)
- 1433-7347
- PMC
- PMC4611008
- OpenAlex
- W2170044261
- Cited by
- 238
- References
- 1
- Citations by year
- 2026: 14 · 2025: 14 · 2024: 19 · 2023: 21 · 2022: 16 · 2021: 15 · 2020: 18 · 2019: 18 · 2018: 38 · 2017: 27 · 2016: 24 · 2015: 12 · 2014: 1
- FWCI
- 21.17
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Knee Surgery Sports Traumatology Arthroscopy (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Knee injuries and reconstruction techniques
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Tendon Structure and Treatment
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Foot and Ankle Surgery
- Keywords
- anterior cruciate ligament, femoral insertion, ligament thickness, ligament reconstruction, graft selection, cadaveric anatomy
- MeSH terms
- Adult, Aged, Cadaver, Female, Femur, Humans, Knee, Male, Middle Aged, Anterior Cruciate Ligament
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