Neck Flashcards by Steph Morton

Q

SCM insertion

A

Mastoid process

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Q

SCM origin

A

Manubrium, medial third of clavicle

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Q

SCM innervation

A

Accessory nerve

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Q

SCM action

A

Rotates head on neck so that the chin moves toward the shoulder

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Q

Sternohyoid origin

A

Manubrium

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Q

Sternohyoid insertion

A

Hyoid bone

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Q

Sternohyoid innervation

A

Ansa cervicalis

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Q

Sternohyoid action

A

Depresses hyoid

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Q

Omohyoid origin

A

Superior border of the scapula

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Q

Omohyoid insertion

A

Hyoid bone

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Q

Omohyoid innervation

A

Ansa cervicalis

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Q

Omohyoid action

A

Depresses hyoid

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Q

Sternothyroid origin

A

Posterior side of manubrium

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Q

Sternothyroid insertion

A

Thyroid cartilage

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Q

Sternothyroid innervation

A

Ansa cervicalis

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Q

Sternothyroid action

A

Depresses hyoid and larynx

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Q

Thyrohyoid origin

A

Thyroid cartilage

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Q

Thyrohyoid insertion

A

Hyoid bone

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Q

Thyrohyoid innervation

A

C1 traveling with hypoglossal n.

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Q

Thyrohyoid action

A

Depresses hyoid and elevates larynx

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Q

Anterior digastric origin

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A

Mandible

Q

Anterior digastric insertion

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A

Hyoid bone via intermediate tendon

Q

Anterior digastric innervation

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A

N. to mylohyoid (V3)

Q

Anterior digastric action

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A

Elevates hyoid, depresses mandible if hyoid is fixed

Posterior digastric origin

Mastoid process

Posterior digastric insertion

Hyoid bone via intermediate tendon

Posterior digastric innervation

Facial nerve

Posterior digastric action

Elevates and steadies hyoid

Stylohyoid origin

Styloid process

Stylohyoid insertion

Hyoid bone

Stylohyoid innervation

Facial nerve

Stylohyoid action

Elevates hyoid

Mylohyoid origin

Mandible

Mylohyoid insertion

Midline raphe, hyoid

Mylohyoid innervation

N. to mylohyoid (V3)

Mylohyoid action

Elevates hyoid, floor of the mouth, tongue

Geniohyoid origin

Inferior mental spines of mandible

Geniohyoid insertion

Hyoid bone

Geniohyoid innervation

C1 traveling with hypoglossal n.

Geniohyoid action

Elevates hyoid

Anterior scalene origin

Transverse processes of cervical vertebrae

Anterior scalene insertion

1st rib

Anterior scalene innervation

ventral rami of lower cervical nerves

Anterior scalene action

Elevates 1st rib, laterally flexes neck

Middle scalene origin

Transverse processes of cervical vertebrae

Middle scalene insertion

1st rib

Middle scalene innervation

ventral rami of lower cervical nerves

Middle scalene action

Elevates 1st rib, laterally flexes neck

Posterior scalene origin

Transverse processes of cervical vertebrae

Posterior scalene insertion

2nd rib

Posterior scalene innervation

ventral rami of lower cervical nerves

Posterior scalene action

Elevates 2nd rib, laterally flexes neck