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Bilateral tripartite insertion of the fibularis (peroneus) brevis muscle: a case report / Inserción tripartita bilateral del músculo fibular corto: reporte de caso
Rosser, Benjamin W. C; Salem, Ashraf H; Gbamgbola, Saheed A; Mohamed, Adel.
  • Rosser, Benjamin W. C; University of Saskatchewan. Saskatoon. CA
  • Salem, Ashraf H; University of Saskatchewan. Saskatoon. CA
  • Gbamgbola, Saheed A; University of Saskatchewan. Saskatoon. CA
  • Mohamed, Adel; University of Saskatchewan. Saskatoon. CA
Int. j. morphol ; 37(2): 481-485, June 2019. graf
Article in English | LILACS | ID: biblio-1002247
ABSTRACT
SUMMARY: The fibularis brevis muscle typically inserts by a single long, robust, flat tendon upon the base of the fifth metatarsal. In this case report, we demonstrate two comparatively small accessory tendons of insertion in both the right and left limbs of an elderly cadaver. In each limb, the superior and inferior accessory tendons arose from the distal end of the main tendon of insertion to attach to, respectively, the shaft and neck of the fifth metatarsal. The bilateral presence of this comparatively rare condition is a new finding. Review of the literature reveals that these accessory tendons are most probably remnants of the inserting tendons of the atavistic muscle peroneus digiti minimi. The presence of this anomaly could affect reconstruction surgeries that utilize the inserting tendon of fibularis brevis, and treatment of avulsion fractures of the base of the fifth metatarsal.
RESUMEN
RESUMEN: El músculo fibularis corto generalmente se inserta por un solo tendón largo, robusto y plano en la base del quinto metatarsiano. En este trabajo demostramos dos tendones accesorios de inserción comparativamente pequeños en ambos miembros inferiores de un cadáver de edad avanzada. En cada miembro inferior, los tendones accesorios superiores e inferiores surgieron de la porción distal del tendón principal de inserción para adherirse, respectivamente, al eje y al cuello del quinto metatarsiano. La presencia bilateral de éste músculo, comparativamente raro, es un nuevo hallazgo. La revisión de la literatura revela que estos tendones accesorios son probablemente remanentes de los tendones de inserción del músculo peroneus digiti minimi. La presencia de esta anomalía podría afectar las cirugías de reconstrucción que utilizan el tendón de inserción del músculo fibular corto, y el tratamiento de las fracturas por avulsión de la base del quinto hueso metatarsiano.
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Full text: Available Index: LILACS (Americas) Main subject: Tendons / Muscle, Skeletal Limits: Aged / Female / Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article Affiliation country: Canada Institution/Affiliation country: University of Saskatchewan/CA

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Full text: Available Index: LILACS (Americas) Main subject: Tendons / Muscle, Skeletal Limits: Aged / Female / Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article Affiliation country: Canada Institution/Affiliation country: University of Saskatchewan/CA