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CC BY-NC-ND 4.0 · Rev Bras Ortop (Sao Paulo) 2020; 55(05): 557-563
DOI: 10.1055/s-0040-1701287
Artigo Original
Joelho

Anatomical Study of the Infrapatellar Branch of the Saphenous Nerve in Humans[*]

Article in several languages: português | English
Alexandre Paiva Luciano 
1   Disciplina de Ortopedia e Traumatologia, Faculdade de Medicina, Universidade de Taubaté, Taubaté, SP, Brasil
2   Serviço de Ortopedia e Traumatologia, Hospital Universitário de Taubaté, Taubaté, SP, Brasil
,
Renan Toshio Melo Honda
2   Serviço de Ortopedia e Traumatologia, Hospital Universitário de Taubaté, Taubaté, SP, Brasil
,
Anuar Ralio Kamar
2   Serviço de Ortopedia e Traumatologia, Hospital Universitário de Taubaté, Taubaté, SP, Brasil
,
Nelson Franco Filho
1   Disciplina de Ortopedia e Traumatologia, Faculdade de Medicina, Universidade de Taubaté, Taubaté, SP, Brasil
2   Serviço de Ortopedia e Traumatologia, Hospital Universitário de Taubaté, Taubaté, SP, Brasil
,
Magno César Vieira
3   Disciplina de Anatomia Descritiva e Topográfica, Faculdade de Medicina, Universidade de Taubaté, Taubaté, SP, Brasil
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Abstract

Objective To perform an anatomical study of the location of the infrapatellar branch of the saphenous nerve in relation to the structures of the knee.

Methods An anatomical study was performed by dissection of 18 humans knees (9 right and 9 left knees). After exposure of the infrapatellar branch and its direct and indirect branches, they were then measured. We adopted a quadrant in the medial region of the knee delimited by two transversal planes as a parameter of the study.

Results In 17 of the 18 knees (94.4%) studied, a single infrapatellar branch was observed. The infrapatellar branch emerged as fibers of the womb of the sartorius muscle in 17 of the 18 knees (94.4%). In relation to the branch, we observed that in 100% of the knees the infrapatellar branch had at least one primary branch, resulting in a superior branch and an inferior branch. In 9 limbs (50% of the cases) this branch occurred outside the proposed quadrant, and, in the remaining limbs, it occurred within the quadrant.

Conclusion The infrapatellar saphenous nerve branch was found in all dissected knees, and, in 94.4% of the cases, it was of the penetrating type; in 100% of the cases, it originated two primary direct branches. The direct and indirect branches presented great variability regarding their path.

Keywords

knee/innervation - nerve compression syndromes - anatomy

* Work developed in the Disciplines of Descriptive and Topographic Anatomy, and Discipline of Orthopedics and Traumatology, Divisão de Medicina Esportiva, Departamento de Medicina da Universidade de Taubaté, Taubaté, SP, Brazil.




Publication History

Received: 10 January 2019

Accepted: 30 October 2019

Article published online:
16 March 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

Sociedade Brasileira de Ortopedia e Traumatologia. Published by Thieme Revinter Publicações Ltda
Rio de Janeiro, Brazil

 

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