Anatomy and Biomechanics of the Collateral Ligaments of the Knee

Nagai, Kazuo; Nakanishi, Yuta; Kamada, Kohei; Hoshino, Yuichi; Kuroda, Ryosuke

doi:10.1007/978-3-030-81549-3_24

Cited by 1 publication

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References 82 publications

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“…The knee joint is a complex structure, and its mechanics can be altered by injuries of their components, including the patella [55] and collateral ligaments [56]. The patella acts as a fulcrum for the quadriceps tendon, enhancing the lever arm of the quadriceps muscles.…”

Section: Discussionmentioning

confidence: 99%

Alteration in ACL loading after total and partial medial meniscectomy

Uzuner,

2024

BMC Musculoskelet Disord

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Anterior cruciate ligament (ACL) injuries are often caused by high impact loadings during competitive sports but may also happen during regular daily activities due to tissue degeneration or altered mechanics after a previous knee injury or surgery such as meniscectomy. Most existing research on ACL injury has focused on impact loading scenarios or the consequence of ACL injury on meniscus. The objective of the present study was to investigate the effects of varying degrees of medial meniscectomy on the mechanics of intact ACL by performing a poromechanical finite element analysis under moderate creep loadings. Four clinical scenarios with 25%, 50%, 75% and total medial meniscectomy were compared with the intact knee finite element model. Our results suggested that different medial meniscal resections may increase, at different extents, the knee laxity and peak tensile stress in the ACL, potentially leading to collagen fiber fatigue tearing and altered mechanobiology under normal joint loadings. Interestingly, the ACL stress actually increased during early knee creep (~ 3 min) before it reached an equilibrium. In addition, meniscectomy accelerated ACL stress reduction during knee creep, transferred more loading to tibial cartilage, increased contact pressure, and shifted the contact center posteriorly. This study may contribute to a better understanding of the interaction of meniscectomy and ACL integrity during daily loadings.

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Section: Discussionmentioning

confidence: 99%

Alteration in ACL loading after total and partial medial meniscectomy

Uzuner,

2024

BMC Musculoskelet Disord

View full text Add to dashboard Cite

show abstract

Anatomy and Biomechanics of the Collateral Ligaments of the Knee

Cited by 1 publication

References 82 publications

Alteration in ACL loading after total and partial medial meniscectomy

Alteration in ACL loading after total and partial medial meniscectomy

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