Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study

Abstract Quadriceps femoris is an extensor muscle in the anterior compartment of thigh and is traditionally taught to be composed of four heads. Recently, there is an increased interest in the occurrence of an additional muscle head of quadriceps femoris. But scientific knowledge regarding its incid...

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Autores principales:	Femina Sam, Madhavi Kandagaddala, Ivan James Prithishkumar, Koyeli Mary Mahata, Mahasampath Gowri, Suganthy Rabi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ee1c93dd2ce240f2b9164703b8823566
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spelling	oai:doaj.org-article:ee1c93dd2ce240f2b9164703b88235662021-12-02T18:50:55ZPrevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study10.1038/s41598-021-95374-z2045-2322https://doaj.org/article/ee1c93dd2ce240f2b9164703b88235662021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95374-zhttps://doaj.org/toc/2045-2322Abstract Quadriceps femoris is an extensor muscle in the anterior compartment of thigh and is traditionally taught to be composed of four heads. Recently, there is an increased interest in the occurrence of an additional muscle head of quadriceps femoris. But scientific knowledge regarding its incidence is lacking in the South Indian population. This study was done to confirm the presence of the additional head by routine anatomic dissection and radiological imaging techniques. Forty-one formalin fixed human cadaveric lower limbs were dissected and the morphology of the additional head was noted. Retrospective analysis of 88 MRI images of patients was done. The additional muscle head was present in 43.9% of the cadaveric lower limbs and was consistently located between the vastus lateralis and vastus intermedius. It originated from variable portions of the greater trochanter, intertrochanteric line, lateral lip of linea aspera and lateral surface of the shaft of femur and inserted either as a muscle belly or as an aponeurosis into the vastus intermedius (55.6%), vastus lateralis (22.2%) or directly into the base of the patella. It received its vascular supply from branches of the lateral circumflex femoral artery and was innervated by branches from the posterior division of the femoral nerve. In addition, the additional muscle head was identified by MRI and its incidence was reported to be 30.68% for the first time in living subjects. The result of this study provides additional information in understanding the morphology of the quadriceps femoris muscle.Femina SamMadhavi KandagaddalaIvan James PrithishkumarKoyeli Mary MahataMahasampath GowriSuganthy RabiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Femina Sam Madhavi Kandagaddala Ivan James Prithishkumar Koyeli Mary Mahata Mahasampath Gowri Suganthy Rabi Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
description	Abstract Quadriceps femoris is an extensor muscle in the anterior compartment of thigh and is traditionally taught to be composed of four heads. Recently, there is an increased interest in the occurrence of an additional muscle head of quadriceps femoris. But scientific knowledge regarding its incidence is lacking in the South Indian population. This study was done to confirm the presence of the additional head by routine anatomic dissection and radiological imaging techniques. Forty-one formalin fixed human cadaveric lower limbs were dissected and the morphology of the additional head was noted. Retrospective analysis of 88 MRI images of patients was done. The additional muscle head was present in 43.9% of the cadaveric lower limbs and was consistently located between the vastus lateralis and vastus intermedius. It originated from variable portions of the greater trochanter, intertrochanteric line, lateral lip of linea aspera and lateral surface of the shaft of femur and inserted either as a muscle belly or as an aponeurosis into the vastus intermedius (55.6%), vastus lateralis (22.2%) or directly into the base of the patella. It received its vascular supply from branches of the lateral circumflex femoral artery and was innervated by branches from the posterior division of the femoral nerve. In addition, the additional muscle head was identified by MRI and its incidence was reported to be 30.68% for the first time in living subjects. The result of this study provides additional information in understanding the morphology of the quadriceps femoris muscle.
format	article
author	Femina Sam Madhavi Kandagaddala Ivan James Prithishkumar Koyeli Mary Mahata Mahasampath Gowri Suganthy Rabi
author_facet	Femina Sam Madhavi Kandagaddala Ivan James Prithishkumar Koyeli Mary Mahata Mahasampath Gowri Suganthy Rabi
author_sort	Femina Sam
title	Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
title_short	Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
title_full	Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
title_fullStr	Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
title_full_unstemmed	Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study
title_sort	prevalence of the additional head of quadriceps femoris in the south indian population: a cadaveric and radiological study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ee1c93dd2ce240f2b9164703b8823566
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Prevalence of the additional head of quadriceps femoris in the South Indian population: a cadaveric and radiological study

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