A Consideration of the Normal and Abnormal Human Suprahyoid and Infrahyoid Musculature

Satō, Iwao; Ueno, R; Sato, Takahiro

doi:10.2535/ofaj1936.64.1_17

Cited by 5 publications

(4 citation statements)

References 1 publication

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“…Branchial arches give rise to lower face, neck, and part of the upper thorax, as well as the muscles in these regions, which are formed from the mesoderm of the arches and neural crest cells between the 4th and 7th week of a gestation [14]. Sato et al [22] state that most myotomes form in the chest area during the 5th week of gestational life. The infrahyoid, scaleni and prevertebral muscles arise from the myoblast of cervical myotomes [29].…”

Section: Discussionmentioning

confidence: 99%

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The previously undescribed variant of the thyrohyoid muscle and its potential impact on surgical procedures

Maślanka,

Zielinska,

Karauda

et al. 2024

Preprint

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The thyrohyoid muscle belongs to the infrahyoid group located in the carotid triangle. It normally originates from thyroid cartilage and inserts into hyoid bone. Quite often, it is continuous with the sternohyoid muscle. Furthermore, there are variants that have their origin in the cricoid cartilage only, however, this occurs very rarely. During anatomical dissection, a two-headed variant of this muscle was found. One head had its origin in the cricoid cartilage and the other in the thyroid cartilage. This variant of thyrohyoid had not been previously described in the available literature. Therefore, we believe that it may be referred to as the cricothyrohyoid muscle. As the thyrohyoideus is often used as a landmark during surgical procedures in the prelaryngeal area and as a muscle graft, a thorough knowledge of its anatomy and variation is extremely important. We speculate that the two-headed version of this muscle may be problematic during surgical procedures in this region, however, it may also provide more options as a muscular graft.

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Section: Discussionmentioning

confidence: 99%

“…The main functions of this muscle involve elevating the larynx and lowering HB [19]. During phonation, the TH has the highest activity of the infrahyoid group [22]. It is one of the muscles that reallocates power to the cricothyroid complex from suprahyoid muscles, which consequently facilitate the opening of the esophageal sphincter [12].…”

Section: Introductionmentioning

confidence: 99%

The previously undescribed variant of the thyrohyoid muscle and its potential impact on surgical procedures

Maślanka,

Zielinska,

Karauda

et al. 2024

Preprint

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“…Variations related to sternohyoid or sternothyroid muscles are seen in the literatures [ 6 , 14 , 16 ]. Variations in sternohyoid muscles are double or absent, augmented by a clavicular slip, or interrupted by a tendinous intersection [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Sternocleidohyoid muscle: an unreported variant of cleidohyoid muscle

Nayak

Shetty

2021

Surg Radiol Anat

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Sternohyoid, sternothyroid, omohyoid, and thyrohyoid muscles are collectively known as infrahyoid muscles. These muscles frequently show variations in their attachments. Here, an extremely rare variant muscle belonging to this group has been presented. During cadaveric dissection for undergraduate medical students, an additional muscle was found between sternohyoid and superior belly of omohyoid muscles bilaterally in a male cadaver aged approximately 70 years. This muscle took its origin from posterior surface of the manubrium sterni, capsule of the sternoclavicular joint and the posterior surface of the medial part of the clavicle. It was inserted to the hyoid bone between the attachments of sternohyoid and superior belly of omohyoid muscles and was supplied by a branch of ansa cervicalis profunda. There is no report on such a muscle in the literature and it could be named as “sternocleidohyoid muscle”. Knowledge of this muscle could be useful in neck surgeries.

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“…[1,3] There are variations related to sternohyoid or sternothyroid muscles in the literature. [4][5][6] Sternohyoid mus-cle variations may be seen as double or absent, augmented by a clavicular slip, or interrupted by a tendinous intersection. [2] The absence of sternal attachment of the sternohyoid muscle is more frequently found than the absence of clavicular attachment.…”

Section: Introductionmentioning

confidence: 99%

A unique muscle bridge between sternohyoid and sternothyroid muscles

Çetkin¹,

Orhan²,

Bahşi³

et al. 2017

Anatomy

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During cadaveric dissection, a unique muscle bridge on the left anterior cervical region of male cadaver was detected and morphometric measurements were performed. The unique muscle bridge was between the sternohyoid and sternothyroid muscles. Ipsilateral sternohyoid muscle started from the lower back surface of the sternal extremity of the clavicula and from costoclavicular ligament, but it had no fibers starting from the sternum. Three nerve branches were observed separating from ansa cervicalis on the lateral of that muscle bridge; the top and the lowest nerve branches went to the sternothyroid muscle, the median branch innerved the muscle bridge. As a result of the thorough literature review made, no case similar to the variation detected in this study was encountered. During the surgical interventions such as tracheostomy, thyroidectomy and trachea resections, knowing the presence of this muscle bridge can reduce the iatrogenic injuries to this structure.

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A Consideration of the Normal and Abnormal Human Suprahyoid and Infrahyoid Musculature

Cited by 5 publications

References 1 publication

The previously undescribed variant of the thyrohyoid muscle and its potential impact on surgical procedures

The previously undescribed variant of the thyrohyoid muscle and its potential impact on surgical procedures

Sternocleidohyoid muscle: an unreported variant of cleidohyoid muscle

A unique muscle bridge between sternohyoid and sternothyroid muscles

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