Gross anatomical investigation of the muscular head between the vastus lateralis and intermedius in the Japanese population: a cadaver study

Ogami-Takamura, Keiko; Saiki, Kazunobu; Endo, Daisuke; Murai, Kiyohito; Nishi, Keita; Okamoto, Keishi; Murata, Hiroaki; Hara, Tetsuya; Tsurumoto, Toshiyuki

doi:10.1007/s12565-020-00579-3

Cited by 5 publications

(21 citation statements)

References 14 publications

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“…An overview of the study characteristics is shown in Table 1 . Overall, 5 of the included studies were cadaveric [ 10 , 11 , 12 , 15 , 16 ] while the rest were imaging studies [ 17 , 18 , 20 , 21 ]. A total of 295 lower limbs were examined, of which 223 derived from cadaveric whilst only 72 derived from in vivo studies ( Table 2 ).…”

Section: Resultsmentioning

confidence: 99%

“…A total of 295 lower limbs were examined, of which 223 derived from cadaveric whilst only 72 derived from in vivo studies ( Table 2 ). Assessment of TVI anatomy and morphology were performed through dissection and MRI evaluation in two studies [ 10 , 24 ], combined dissection and computed tomography in one study [ 16 ] whereas solely dissection was performed in three studies [ 11 , 12 , 15 ]. The in vivo examination of TVI were conducted using B-mode US in two studies [ 17 , 18 ] while one study used extended field-of-view US [ 25 ] ( Figure 3 ).…”

Section: Resultsmentioning

confidence: 99%

“…Anatomy of TVI musculature has been detailed described by five cadaveric studies [ 10 , 11 , 12 , 15 , 16 ]. The TVI was mostly identified in the anterior compartment of the thigh as a clearly separate muscle belly between VL and VI musculatures [ 10 , 12 ].…”

Section: Resultsmentioning

confidence: 99%

“…Even when the TVI is identified, the reports on its exact morphology are not consistent. That is, the origins and the morphology of the TVI belly and tendons vary between individuals and between studies [ 10 , 11 , 12 , 16 ]. Hence, clear identification of the TVI as an independent muscle becomes more difficult.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the presence of another muscle-tendon unit which potentially has an independent innervation may have implications for the whole quadriceps muscle function, which is currently unknown. While a recent review attempted to summarize mainly the anatomical studies regarding TVI musculature [ 22 ], there have been several new studies on TVI architecture and morphology which have not been taken into consideration [ 11 , 16 , 18 , 20 ] while the risk of bias assessment of the included studies was not as evident. Being a newly identified muscle-tendon entity, the amount of evidence is still scarce even though new evidence on TVI presence as part of the quadriceps muscle group is growing.…”

Section: Introductionmentioning

confidence: 99%

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Anatomy, Morphology and Function of the Tensor of Vastus Intermedius: A Systematic Review

Sahinis

Kellis

2021

JFMK

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The tensor of vastus intermedius is a newly discovered muscle that is located at the anterior compartment of the thigh. The aim of the present study is to report, assess and synthetize the existing evidence on the anatomy, variation and morphological characteristics of the TVI as well as to examine its clinical importance. A systematic review was performed evaluating both anatomical and medical imaging studies which provided information about TVI anatomy, prevalence, variations and morphological characteristics. The search strategy was conducted in major electronic databases. Two reviewers worked independently to screen all possible references via a title/abstract examination. Methodological quality was examined with the Anatomical Quality Assurance checklist. A total of 295 cadaveric knees were included in the nine studies where in 244 (82.7%) cases the TVI was identified. Based on this evidence, it appears that the TVI is located between the vastus lateralis and vastus intermedius. The muscle belly is located proximally, and it is combined with a broad and flat aponeurosis before forming a tendinous structure that is attached at the medial aspect of the patella. The TVI presented some morphological variations and complex muscle architecture that varied along its length. There is insufficient good quality evidence as more than half of the included studies were ranked as having a “High” risk of bias with various methodological issues. Higher quality studies are recommended to evaluate the TVI morphology to better understand its functional and clinical importance.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Anatomy, Morphology and Function of the Tensor of Vastus Intermedius: A Systematic Review

Sahinis

Kellis

2021

JFMK

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Distribution of the tensor of the vastus intermedius

et al. 2023

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The tensor of the vastus intermedius (TVI) was first described by originates from the anteroinferior greater trochanter and inserts into the upper patella and receives blood and nerves independently of other muscles. It has been overlooked, but since micro-surgery and detailed rehabilitation treatments are being developed, more research on it is warranted. Here we report on the TVI in a Korean cadaveric

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