The fifth head of quadriceps femoris: for sure?

Aragonés, P.; Olewnik, Łukasz; Polguj, Michał; Quinones, Sara; Sañudo, José Ramón

doi:10.1007/s00276-020-02564-x

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…These were aligned with Grob's classification for comparative purposes, except for a unique type originating from the gluteus minimus, which was excluded from the TVI type statistics but counted in the overall TVI numbers. Notably, one four-bellied TVI type, previously only singularly documented [18], was not included in the TVI type statistics. Olewnik's dimensional analysis, varying significantly by type, is consolidated in Table 1.…”

Section: Resultsmentioning

confidence: 99%

Unveiling the Tensor Vastus Intermedius – A distinct anatomical phenomenon or a standard variation? A comparative analysis of comprehensive literature and original cadaveric studies

Piech,

Kuroska-Walczyna,

Samczuk

et al. 2024

Ann Agric Environ Med.

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Section: Resultsmentioning

confidence: 99%

Unveiling the Tensor Vastus Intermedius – A distinct anatomical phenomenon or a standard variation? A comparative analysis of comprehensive literature and original cadaveric studies

Piech,

Kuroska-Walczyna,

Samczuk

et al. 2024

Ann Agric Environ Med.

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“…This new muscle head ran independently in its intermediate 1/3, while in its proximal and distal 1/3, the muscle belly and the caudal aponeurotic region showed great interindividual variability with the vastus intermedius and/or lateralis depending on its degree of development, distinguishing four variants, being the most common the independent variant (Table 2) [18,22]. This new fifth head of the quadriceps femoris has enormous variability in its origin [33] and in its structure, with bilaminar morphology on some occasions [37], as well as penniform on others [34] (Table 3).…”

Section: Extra Muscle Headsmentioning

confidence: 99%

Quadriceps femoris muscle: anatomical variations, population frequencies and clinical implications

Angullo-Gómez,

Jiménez-Luna,

Perazzoli

et al. 2023

Folia Morphol

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“…After a period of quiescence, recent case reports and studies have rekindled an interest on the occurrence of the additional head of quadriceps. However, it is not clear whether it is a separate muscle or if it is a part of vastus intermedius or lateralis 3 – 5 . Though absence of the rectus femoris is reported in literature, variations in the arrangement of quadriceps femoris is not known to be common 6 .…”

Section: Introductionmentioning

confidence: 99%

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

Sam

Kandagaddala

Prithishkumar

et al. 2021

Sci Rep

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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.

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The fifth head of quadriceps femoris: for sure?

Cited by 3 publications

References 3 publications

Unveiling the Tensor Vastus Intermedius – A distinct anatomical phenomenon or a standard variation? A comparative analysis of comprehensive literature and original cadaveric studies

Unveiling the Tensor Vastus Intermedius – A distinct anatomical phenomenon or a standard variation? A comparative analysis of comprehensive literature and original cadaveric studies

Quadriceps femoris muscle: anatomical variations, population frequencies and clinical implications

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

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