Muscular triangle

The Muscular Triangle is a region of the neck that is bounded by the sternocleidomastoid muscle, the superior belly of the omohyoid muscle, and the anterior midline of the neck. It is one of the four triangles of the neck and contains several important anatomical structures.

Anatomy

The Muscular Triangle is located in the anterior region of the neck. It is bordered by the sternocleidomastoid muscle laterally, the superior belly of the omohyoid muscle superiorly, and the midline of the neck medially. The floor of the triangle is formed by the thyrohyoid muscle, sternohyoid muscle, and sternothyroid muscle. The roof of the triangle is formed by the platysma muscle and the cervical fascia.

Contents

The Muscular Triangle contains several important structures including the thyroid gland, parathyroid glands, and portions of the larynx and pharynx. It also contains the carotid sheath, which houses the common carotid artery, internal jugular vein, and vagus nerve.

Clinical Significance

Due to the presence of vital structures, the Muscular Triangle is a significant area in medical examinations and surgical procedures. Conditions such as thyroid disorders, parathyroid disorders, and carotid artery disease can be diagnosed and treated through this region.

See Also

• Triangles of the neck
• Thyroid gland
• Parathyroid glands
• Carotid sheath

References

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  Muscular triangle
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  Muscles of the neck
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  Muscular triangle