Posterior cruciate ligament architecture: Evaluation under microsurgical dissection
Arthroscopy: The Journal of Arthroscopic & Related Surgery, ISSN: 0749-8063, Vol: 16, Issue: 6, Page: 627-632
2000
- 78Citations
- 45Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations78
- Citation Indexes78
- 78
- CrossRef73
- Captures45
- Readers45
- 45
Article Description
Purpose: Our objective was to verify the fiber anatomy of the posterior cruciate ligament (PCL) and to measure the main dimensions and the femoral and tibial attachment site distances of the ligament after microsurgical dissection. We hypothesized that PCL anatomy is more complex than the 2 traditionally characterized bands. Type of Study: This is a purely anatomic description of microdissections of the PCL, focused on the fine anatomy of the ligament. Materials and Methods: Twenty-four fresh-frozen cadaveric knees were dissected using magnifying loupes and an operative microscope, being careful to avoid creating artificially separated bundles. The main dimensions of the PCL were measured using a micrometer. Results: The anterior, central, posterior-longitudinal, and posterior-oblique were the 4 fiber regions identified based on their orientation and the osseous sites of their insertions. These were partially separable anatomically but were functionally distinct. The anterior and central fiber regions made up the bulk of the ligament, while the remaining 15% consisted of the posterior fiber regions. During manual joint motion, the behavior of these fiber regions was observed. The anterior fiber region appeared to be the most nonisometric and remained in tension mainly between 30° and 90° of flexion. The posterior fiber regions appeared to be the most isometric (especially the posterior-oblique) and remained in tension mainly in extension and partially in deep flexion. The central fiber region appeared to have an intermediate behavior and remained in tension mainly between 30° and 120° of flexion. Additionally, it appeared to be the widest of all fiber regions. Conclusions: These findings should be of interest and help in interpreting some of the anatomy encountered during arthroscopic examination of the PCL, both from the anterior and posterior lateral portals. Furthermore, this information should prove useful in selecting treatment for the PCL.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0749806300572107; http://dx.doi.org/10.1053/jars.2000.9238; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0033811474&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/10976124; https://linkinghub.elsevier.com/retrieve/pii/S0749806300572107; https://dx.doi.org/10.1053/jars.2000.9238
Elsevier BV
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