A new type of the coracobrachialis muscle

Zielinska, Nicol; Aragonés, P.; Sañudo, José Ramón; Łabętowicz, Piotr; Olewnik, Łukasz

doi:10.5603/fm.a2022.0021

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…Olewnik et al [ 18 ] described a unilateral four-headed CB (accessory heads of different origins) in coexistence with a split CP with an accessory apex and a tunnel formation created from the CB two heads for the passage of both MCN and MN [ 18 ]. Zielinska and Olewnik [ 20 ] presented a unilateral six-headed CB, and Filippou et al [ 13 ] identified a bilateral asymmetrical multiplication of the CB heads (a right-side six-headed CB in coexistence with a contralateral five-headed CB).…”

Section: Discussionmentioning

confidence: 99%

A Bilateral Symmetric Accessory Coracobrachialis Muscle Combined With an Interconnection of the Musculocutaneous Nerve With the Median Nerve

Tsakotos¹,

Triantafyllou²,

Olewnik³

et al. 2023

Cureus

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This report describes a bilateral symmetric accessory coracobrachialis muscle variant coexisting with a unilateral interconnection of the musculocutaneous nerve and the median nerve. An 80-year-old female cadaver was dissected. The bilateral coracobrachialis muscle variant consisted of three heads: two superficial heads and one deep head. One superficial head arose from the tip of the coracoid process, while the other originated from the short head tendon of the biceps brachii. The deep head of the coracobrachialis muscle emerged from the base of the coracoid process. The musculocutaneous nerve bilaterally coursed between the superficial and deep heads. On the right side, the three-headed coracobrachialis muscle coexisted with an ipsilateral interconnection of the musculocutaneous nerve and the median nerve, located at the lower third of the arm. While the presence of a unilateral three-headed coracobrachialis muscle is not rare (with a prevalence range of 0-22.2%), as well as the distal interconnection between the musculocutaneous nerve and the median nerve at the lower third of the arm (with a prevalence range of 1.8-53.6%), the coexistence of the current bilateral three-headed coracobrachialis muscle variant with the distal interconnection of the musculocutaneous and median nerves is quite unusual. A similar report underscores the finding of the bilateral coracobrachialis muscle variant.

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Section: Discussionmentioning

confidence: 99%

A Bilateral Symmetric Accessory Coracobrachialis Muscle Combined With an Interconnection of the Musculocutaneous Nerve With the Median Nerve

Tsakotos¹,

Triantafyllou²,

Olewnik³

et al. 2023

Cureus

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“…Therefore, we do not have much information about its innervation. There are reports on CL provided by MCN [ 9 , 18 , 32 ]. Because of that CL is a variant of CBM, we can expand our research for coracobrachialis muscle (CBM).…”

Section: Discussionmentioning

confidence: 99%

An unreported innervation of the coracobrachialis longus by the radial nerve: a potential pitfall for clinicians

et al. 2023

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Purpose The aim of the presented case is to describe an unprecedented innervation of the coracobrachialis longus muscle by the radial nerve. Methods An 82-year-old body donor at death was subjected to a routine anatomical dissection for teaching and research purposes at the Department of Anatomical Dissection and Donation in Lodz, Poland. Results We have found an additional branch of the radial nerve, which departed from it just below its beginning. Its initial section ran alongside the radial nerve in the axilla, then headed medially accompanying superior ulnar collateral artery. Then, it reaches the coracobrachialis longus muscle and is the only one to innervate it. Conclusions The brachial plexus (BP) is very variable and well understood. Nevertheless, we must remember that there may still be variations in its structure, which may involve problems at every stage of diagnosis and treatment of diseases associated with its structures. Their knowledge is extremely important.

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Une rupture inattendue : la désinsertion proximale du tendon coracobrachial

Lovi¹,

Derkenne²,

Romary³

et al. 2023

Journal de Traumatologie du Sport

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A new type of the coracobrachialis muscle

Abstract: This article has been peer reviewed and published immediately upon acceptance.It is an open access article, which means that it can be downloaded, printed, and distributed freely, provided the work is properly cited. Articles in "Folia Morphologica" are listed in PubMed.

Cited by 3 publications

References 18 publications

A Bilateral Symmetric Accessory Coracobrachialis Muscle Combined With an Interconnection of the Musculocutaneous Nerve With the Median Nerve

A Bilateral Symmetric Accessory Coracobrachialis Muscle Combined With an Interconnection of the Musculocutaneous Nerve With the Median Nerve

An unreported innervation of the coracobrachialis longus by the radial nerve: a potential pitfall for clinicians

Une rupture inattendue : la désinsertion proximale du tendon coracobrachial

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