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Clinical Anatomy I > 2 Structure IDs- Neck (Muscles/Ligaments) > Flashcards

2 Structure IDs- Neck (Muscles/Ligaments) Flashcards

1
Q

Anterior digastric

A

Attachments: from the digastric fossa of the mandible to the intermediate tendon (greater cornu of hyoid) (inferior border of mandible near symphysis to intermediate tendon and body and cornu of hyoid)

Action: depression of the mandible or elevation of the hyoid

Innervation: mylohyoid branch of the inferior alveolar n. (from CN V3)

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2
Q

Posterior digastric

A

Attachments: from the temporal mastoid notch to the intermediate tendon (greater cornu of hyoid) (mastoid process to intermediate tendon and body and cornu of hyoid)

Actions: depression of the mandible or elevation of the hyoid

Innervation: facial n.

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3
Q

Geniohyoid

A

Attachments: from the inferior genial tubercle of the mandible to the anterior aspect of the body of the hyoid (median ridge of mandible to body of hyoid)

Action: elevation of tongue and hyoid or depresses mandible

Innervation: ventral ramus of C1 via CN XII

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4
Q

Longus capitis

A

Attachments: from the anterior tubercles of the transverse processes of cervical vertebrae to the basilar occipital bone

Actions: flexion of the head and neck (bilateral) ipsilateral rotation (unilateral)

Innervation: ventral rami of cervical spinal n. (C1-3)

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5
Q

Longus colli (L neck)

A

Attachments: from cervical vertebral bodies to cervical vertebral bodies and transverse processes

Actions: flexion, lateral flexion of the neck and ipsilateral rotation

Innervation: ventral rami of cervical spinal n. (C2-7)

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6
Q

Mylohyoid

A

Attachments: from the mylohyoid line of the mandible to the midline raphe and anterior aspect of the body of the hyoid

Actions: elevation of the floor of the oral cavity

Innervation: mylohyoid branch of the inferior alveolar n. (from CN V3)

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7
Q

Omohyoid

A

Attachments: from the superior border of the scapula medial to the scapular notch to the lateral aspect of the hyoid passing through an intermediate tendon sling loosely associated with the clavicle and 1st rib

Actions: depression of the hyoid

Innervation: ansa cervicalis (C1-3)

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8
Q

Anterior scalene

A

Attachments: from the anterior tubercles of middle cervical vertebrae to the scalene tubercle of the 1st rib

Actions: elevation of 1st rib (during forced inspiration) and flexion, lateral flexion and contralateral rotation of the neck

Innervation: lower ventral rami of cervical spinal n.

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9
Q

Middle scalene

A

Attachments: from the transverse processes of cervical vertebrae to 1st rib

Actions: elevation of 1st rib (during forced inspiration) and lateral flexion and contralateral rotation of the neck

Innervation: lower ventral rami of cervical spinal n.

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10
Q

Posterior scalene

A

Attachments: from lower cervical transverse processes to the 2nd rib

Function: elevation of the rib (during forced inspiration) and lateral flexion and contralateral rotation of the neck

Innervation: ventral rami of cervical spinal n. (C6-8)

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11
Q

Sternocleidomastoid

A

Attachments: from the lateral aspect of the mastoid process and superior nuchal line to the manubrium and medial 1/3rd of the clavicle

Actions: flexion, ipsilateral lateral flexion and extension of the head and neck, and contralateral rotation of the head

Innervation: accessory n. and C1,2

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12
Q

Sternohyoid

A

Attachments: from the posterior side of the proximal clavicle and adjacent manubrium to the inferior border of body of the hyoid

Actions: depresses the hyoid

Innervation: ansa cervicalis (C1-3)

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13
Q

Sternothyroid

A

Attachments: from the posterior aspect of the manubrium and costal cartilage of the 1st rib to the thyroid lamina

Actions: depression of the elevated larynx

Innervation: ansa cervicalis (C1-3)

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14
Q

Stylohyoid

A

Attachments: from the styloid process of the temporal bone to the greater cornu of hyoid bone

Actions: elevation and retraction of the hyoid

Innervation: facial n.

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15
Q

Thyrohyoid

A

Attachments: from the thyroid lamina to the greater horn of the hyoid bone

Actions: depression of the hyoid or elevation of the thyroid cartilage

Innervation: ventral ramus of C1 via XII

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16
Q

Splenius capitis

A

Attachments: from the ligamentum nuchae and lower cervical and upper thoracic spinous processes to the lateral third of the superior nuchal line

Actions: extension and lateral flexion, ipsilateral rotation of the head

Innervation: dorsal rami of cervical spinal n.

17
Q

Longissimus capitis

A

Attachments: from the upper thoracic transverse processes to the posterior margin of the mastoid process

Actions: extension and lateral flexion and ipsilateral rotation of the head

Innervation: dorsal rami of spinal n.

18
Q

Semispinalis capitis

A

Attachments: from upper thoracic and cervical transverse processes to the occipital bone between the inferior and superior nuchal lines

Actions: extension and contralateral rotation of the head

Innervation: dorsal rami of cervical spinal n.

19
Q

Rectus capitis posterior major

A

Attachments: from the spinous process C2 to lateral aspect of inferior nuchal line

Actions: extension and ipsilateral rotation

Innervation: suboccipital nerve

20
Q

Rectus capitis posterior minor

A

Attachments: from tubercle on posterior arch C1 to medial aspect inferior nuchal line

Actions: extension

Innervation: suboccipital nerve

21
Q

Obliquus capitis inferior (inferior oblique)

A

Attachments: from spinous process of C2 to transverse process C1

Actions: ipsilateral rotation

Innervation: suboccipital nerve

22
Q

Obliquus capitis superior (superior oblique)

A

Attachments: from transverse process of C1 to area between superior and inferior nuchal lines on occipital bones

Actions: extension and lateral flexion

Innervation: suboccipital nerve

23
Q

Ligamentum nuchae

A

Attachments: from C7 spinous process to external occipital protuberance with slips to intervening spinous processes

Function: attachment of cervical muscles

24
Q

Transverse (cruciate) of atlas

A

Attachments: from lateral mass to lateral mass of atlas

Function: maintains articulation between dens and anterior arch of the atlas

25
Q

Tectorial membrane

A

Attachments: from the posterior surface of axial body to anterior margin of the foramen magnum

Function: supports atlanto-occipital and atlanto-axial joints, continuous with the posterior longitudinal ligament

26
Q

Alar (check) ligaments

A

Attachments: from dens to medial aspect of the occipital condyles

Function: limits rotation of the median atlanto-axial joint

27
Q

Anterior atlanto-occipital membrane

A

Attachments: from anterior arch of the atlas to the adjacent occipital bone

Function: supports atlanto-occipital joints and helps to limit extension of the head and continuous with the anterior longitudinal ligament

Clinical Anatomy I (12 decks)

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