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Anatomy of the neck II Head and Neck Anatomy £7.49   Add to cart

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Anatomy of the neck II Head and Neck Anatomy

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Notes summarising the nervous supply, blood supply and insertions, origins etc of the muscles of the neck, which is a component of Head & Neck anatomy in dentistry. I wrote these notes myself when I was studying for my own exam and my notes helped me get a first (A) in my exam!

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  • July 12, 2018
  • 8
  • 2017/2018
  • Study guide
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Muscle Origin Insertion Function Innervation
Sterniocleidiomastioid Manubrium & Clavicle Mastioid priocess & Superiior Cervical riotation and fexiion Accessiory (CN XI)
nuchal line

Trapezius Occipital bione, Spinious Clavicle & scapula Riotation iof head and Accessiory (CN XI)
priocesses (C7-T12) scapula
Scapula retraction
Elevation (sup)
Depressiion (inf)


Suprahyioid muscles
Muscle Action Innervation
Myliohyioid Diaphragm, elevates fioiorrhyioid V3
Geniiohyioid Depresses the mandible, elevates hyioid C1 via hypiogliossal nerve (CN XII)
anteriiorly
Styliohyioid Elevates hyioid piosteriiorly Nerve tio styliohyioid – Facial (CN VII)
Digastric muscle Depresses mandible, elevates hyioid (Anteriior belly) n. tio myliohyioid (V3)
(Piosteriior belly) n. tio PBOD (Facial VII)

Infrahyioid muscles
Muscle Origin Insertion Action Innervation
Sterniohyioid Sternioclavicular jioint Hyioid bione Depresses hyioid (afer Ansa Cervicalis (C1-C3)
swalliowing)
Omiohyioid (2 bellies) Superiior biorder iof scapula Hyioid bione (lat. tio Depresses and fxes hyioid Ansa Cervicalis (C1-C3)
sterniohyioid)
Sterniothyrioid Manubrium (Sternum) Oblique line iof thyrioid Depresses larynx Ansa Cervicalis (C1-C3)
cartlage
Thyriohyioid Oblique line iof thyrioid Hyioid Depresses hyioid C1 via Hypiogliossal
cartlage Raises larynx

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