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Article . 2013
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Estudo anatômico do ligamento anterolateral do joelho

Authors: Fabio Janson Angelini; Marco Kawamura Demange; Camilo Partezani Helito; Luis Eduardo Passareli Tirico; Riccardo Gomes Gobbi; Helder de Souza Miyahara; Marcelo Batista Bonadio; +2 Authors

Estudo anatômico do ligamento anterolateral do joelho

Abstract

ResumoObjetivo: Descrever o ligamento anterolateral (LAL) do joelho e estabelecer seus pontos anatômicos de origem e inserção e suas medidas.Métodos: Foram feitas dissecções da região anterolateral do joelho em seis cadáveres. Após isolamento do LAL, medidas de comprimento, espessura e largura foram feitas, assim como seus locais de origem e inserção. A origem do LAL foi documentada com base na sua distância ântero-posterior e proximal- distal em relação à origem do ligamento colateral lateral. A inserção foi documentada com base no tubérculo de Gerdy, a cartilagem do planalto tibial lateral e o menisco lateral. Nas duas primeiras dissecções, o ligamento foi removido e enviado para análise histológica.Resultados: O LAL foi observado com clareza nas dissecções de todos os seis joelhos. Sua origem no epicôndilo lateral apresentou uma média 0,5mm distal e 2,5mm anterior à origem do LCL. Na tíbia foram observadas duas inserções, uma mais proximal no menisco lateral e outra mais distal entre o tubérculo de Gerdy e a cabeça da fíbula, cerca de 4,5mm distal à cartilagem articular da tíbia. As medidas encontradas do ligamento foram: comprimento médio de 35,1mm, largura média de 6,8mm e espessura média de 2,6mm. Na análise histológica dos ligamentos foi observada presença de tecido conectivo denso.Conclusão: O LAL do joelho é uma estrutura constante na região anterolateral. Sua origem no fêmur é anterior e distal à origem do LCL. Na tíbia, apresenta duas inserções, no menisco lateral e entre o tubérculo de Gerdy e a cabeça da fíbula.AbstractObjectiveDescribe the knee anterolateral ligament (ALL) and establish its anatomical marks of origin and insertion.MethodsDissection of the anterolateral aspect of the knee was performed in six cadavers. After isolation of the ALL, its lenght, width and thickness were measured as its places of origin and insertion. The ALL origin was documented in relation to the lateral collateral ligament (LCL) origin and the insertion was documented in relation to the Gerdy tubercle, fibullar head and lateral meniscus. After the first two dissections, the ligament was removed and sent to histologycal analysis.ResultsThe ALL was clearly identified in all knees. Its origin in the lateral epycondile was on average 0.5mm distal and 2.5mm anterior to the LCL. In the tibia, two insertions were observed, one in the lateral meniscus and another in the proximal tibia, about 4.5mm distal to the articular cartilage, between the Gerdy tubercle and the fibullar head. The average measures obtained were: 35.1mm lenght, 6.8mm width and 2.6mm thickness. In the ligament histological analysis, dense connective tissue was observed.ConclusionThe ALL is a constant structure in the knee anterolateral region. Its origin is anterior and distal to the LCL origin. In the tibia, it has two insertions, one in the lateral meniscus and another in the proximal tibia between the Gerdy tubercle and the fibullar head.

Keywords

Cadáver Dissecação Joelho, Ligamento cruzado anterior/anatomia & histologia, Cadaver Dissection Knee, Surgery, Anterior cruciate ligament/anatomy & histology

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    30
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
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    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
30
Top 10%
Top 10%
Top 10%
gold