Neck Flashcards by Nora Aziz

Q

SCM origin

A

Manubrium and medial third of clavicle

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Q

SCM action

A

Neck flexion,
Ipsilateral rotation,
Ipsilateral flexion of neck

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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 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 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 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 action

A

Depresses hyoid and elevates larynx

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Q

Anterior digastric origin

A

Mandible

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Q

Anterior digastric insertion

A

Hyoid bone via intermediate tendon

Q

Anterior digastric action

A

Elevates hyoid, depresses mandible if hyoid is fixed

Q

Posterior digastric origin

A

Mastoid process

Q

Posterior digastric insertion

A

Hyoid bone via intermediate tendon

Q

Posterior digastric action

A

Elevates and steadies hyoid

Q

Stylohyoid origin

A

Styloid process

Q

Stylohyoid insertion

A

Hyoid bone

Q

Stylohyoid action

A

Elevates hyoid

Q

Mylohyoid origin

A

Mandible

Q

Mylohyoid insertion

A

Midline raphe, hyoid

Q

Mylohyoid action

A

Elevates hyoid, floor of the mouth, tongue

Q

Geniohyoid origin

A

Inferior mental spines of mandible

Q

Geniohyoid insertion

A

Hyoid bone

Q

Geniohyoid action

A

Elevates hyoid

Q

Anterior scalene origin

A

Transverse processes of cervical vertebrae

Q

Anterior scalene insertion

A

1st rib

Q

Anterior scalene action

A

Elevates 1st rib, laterally flexes neck

Q

Middle scalene origin

A

Transverse processes of cervical vertebrae

Q

Middle scalene insertion

A

1st rib

Q

Middle scalene action

A

Elevates 1st rib, laterally flexes neck

Q

Posterior scalene origin

A

Transverse processes of cervical vertebrae

Q

Posterior scalene insertion

A

2nd rib

Q

Posterior scalene action

A

Elevates 2nd rib, laterally flexes neck

Q

SCM insertion

A

Mastoid process