Middle Scalene

Middle Scalene : Origin, Insertion, Action & Nerve Supply

Middle Scalene:The middle scalene is the largest and longest in the Scalene group of the lateral neck muscles. It has several long, arising from the cervical spine, which converge into one large belly that inserts[...]

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Posterior Scalene

Posterior Scalene : Origin, Insertion, Action & Nerve Supply

Posterior Scalene:The posterior scalene is the smallest and deepest of the scalene muscles.It is deeply placed, lying behind Sternocleidomastoid. Unlike the anterior and middle scalene muscles, it inserts into the second rib.Origin: Originates from the[...]

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Anterior Scalene

Anterior Scalene : Origin, Insertion, Action & Nerve Supply

Anterior Scalene:The anterior scalene muscle is one of the lateral muscles of the neck, deep to the prominent sternocleidomastoid muscle.Origin: Anterior Scalene originates from the anterior tubercles of the transverse processes of C3-C6. Insertion: Anterior[...]

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Thyrohyoid Muscles

Thyrohyoid : Origin, Insertion, Action & Nerve Supply

Thyrohyoid:The thyrohyoid is a short band of muscle, thought to be a continuation of the sternothyroid muscle, which depresses the hyoid and elevates the larynx. Origin: oblique line of the thyroid cartilage Insertion: lower border[...]

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Sternothyroid Muscles

Sternothyroid : Origin, Insertion, Action & Nerve Supply

Sternothyroid:The sternothyroid is a muscle in the neck.The sternothyroid muscle is wider and deeper than the sternohyoid. It is located within the deep plane. Origin: Posterior surface of the manubrium below the origin of the[...]

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Sternohyoid Muscles

Sternohyoid : Origin, Insertion, Action & Nerve Supply

Sternohyoid: The sternohyoid muscle is located within the superficial plane.Origin: Posterior surface of manubrium and an adjoining part of the clavicle, and posterior sternoclavicular ligament. Insertion: lower border of the hyoid bone, medial to the omohyoid[...]

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Omohyoid Muscles

Omohyoid : Origin, Insertion, Action & Nerve Supply

Omohyoid: The omohyoid is comprised of two muscle bellies, which are connected by a muscular tendon.Origin: Inferior belly: upper border of the scapula medial to the scapular notch. Superior belly: intermediate tendon.It runs superomedially underneath[...]

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Geniohyoid muscle

Geniohyoid : Origin, Insertion, Action & Nerve Supply

Geniohyoid: The geniohyoid muscle is a thin muscle located superior to the medial border of the mylohyoid muscle.Origin: The geniohyoid muscle originates from the inferior mental spine of the mandible Insertion: Then geniohyoid muscle travels[...]

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Mylohyoid muscle

Mylohyoid : Origin, Insertion, Action & Nerve Supply

Mylohyoid: The mylohyoid muscle is a paired muscle running from the mandible to the hyoid bone.The mylohyoid is a broad, triangular shaped muscle. It forms the floor of the oral cavity and supports the floor[...]

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Digastric muscle

Digastric : Origin, Insertion, Action & Nerve Supply

Digastric: The digastric muscle is positioned in the neck, beneath the jaw. It occupies below the body of the mandible, and extends, in a curved form, from the mastoid process to the symphysis menti. This[...]

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