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Anatomy: DPT 620 > Neck > Flashcards

Neck Flashcards

0
Q

Posterior Longitudinal Ligament

A

Reinforces posterior discs, limits flexion

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1
Q

Anterior Longitudinal Ligament

A

Reinforces anterior discs, limits extension

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2
Q

Ligamentum Nuchae = supra spinous ligament

A

Thicker than in thoracic/lumbar regions, limits flexion

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3
Q

Interspinous/ intertransverse ligaments

A

Limit flexion and rotation also limits lateral flexion

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4
Q

Ligamentum flavum

A

Attach to lamina of one vertebrae to another, reinforces articular facets
Limits flexion and rotation

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6
Q

Platysma

A

O: fascia covering the pectoralis major and deltoid
I: mandible, some fibers blend with muscles about the angle and lower part of the mouth
Fx: wrinkling of the surface of the skin of the neck, anterior portion depresses the lower jaw, also brings down the angle of the mouth
nn: cervical branch of the Facial Nerve

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6
Q

Thyrohyoid

A

O: thyroid cartilage
I: inferior border of body and greater horn of hyoid
Fx: depresses hyoid & elevates larynx
nn: hypoglossal nerve

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7
Q

Sternlcleidomastoid

A

O: upper part of the anterior surface of the manubrium; superior border and anterior surface of the medial third of clavicle
I: Lateral surface of the mastoid process
Fx: rotate head to opposite side, flexes neck, acting together - flexes neck and extends head
nn: accessory nn.

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8
Q

Sternothyroid

A

O: posterior surface of manubrium of sternum
I: oblique line of thyroid cartilage
Fx: depresses hyoid and larynx
nn: brach of ansa cervicalis C2-C3

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9
Q

Sternohyoid

A

O: manubrium of sternum and medial end of clavicle
I: body of hyoid
Fx: depresses hyoid after elevation during swallowing
nn: branch of ansa cervicalis C1-C3

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10
Q

Suprahyoid muscles

A

Stylohyoid
Digastric
Mylohyoid
Geniohyoid

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11
Q

Infrahyoid muscles

A

Omohyoid
Sternohyoid
Thyrohyoid
Sternothyroid

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12
Q

Omohyoid

A

O: superior border of scapula
I: inferior border or hyoid
Fx: depresses, retracts, and steadies hyoid
nn: branch of ansa cervicalis (C1-C3)

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13
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid
Fx: elevates and retracts hyoid
nn: stylohyoid branch of facial nn.

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14
Q

Digastric

A

O: anterior belly: Digastric fossa of mandible
Posterior belly: mastoid notch of temporal bone
I: intermediate tendon to body and horn or hyoid
Fx: depresses mandible against resistance, elevates/steadies hyoid during swallowing
nn: Digastric branch of facial nerve

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15
Q

Mylohyoid

A

O: mandible
I: mylohyoid raphe and body of hyoid
Fx: elevates hyoid, floor of mouth, and tongue during swallowing and speaking
nn:

16
Q

Geniohyoid

A

O: inferior mental spine of mandible
I: body of hyoid
Fx: pulls hyoid anterosuperiorly, shortens floor of mouth, widens pharynx
nn: hypoglossal nn. C1

17
Q

Rectus Capitis Posterior major

A

O: spinous processes of vertebra C2 (spine of axis)
I: 1/2 lateral part of inferior nuchal line
Fx:
nn: posterior rami of C1(suboccipital nn.)

18
Q

Rectus capitis posterior minor

A

O: posterior tubercle of posterior arch of vertebra C1
I: medial 1/2 of inferior nuchal line
Fx:
nn: subocciptal nn.

19
Q

Obliques capitis inferior

A

O: spine of C2
I: transverse processes of C1
Fx:
nn: suboccipital nn.

20
Q

Obliquus capitis superior

A

O: transverse processes of C1
I: occipital bone between superior and inferior nuchal lines
Fx:
nn: suboccipital nn.

21
Q

Longus colli

A

O: anterior tubercle of C1, bodies of C1-C3, transverse processes of C3-C6
I: bodies of C5-T3, transverse processes of C3-C5
Fx: flexes neck, rotation to opposite side if acting unilaterally
nn: anterior rami C1-C3

22
Q

Longus capitis

A

O: occipital bone
I: Transverse processes of C3-C6
Fx: flexes head
nn: anterior rami C1-C3

23
Q

Rectus capitis anterior

A

O: base of cranium
I: C1
Fx: flexes head
nn: C1-C2 spinal nn.

24
Q

Anterior Scalene

A

O: transverse processes of C3-C6
I: first rib
Fx: flexes head
nn: C4-C6 spinal nerves

25
Q

Rectus Capitis Lateralis

A

O: occipital bone
I: transverse process of C1
Fx: flexes head and stabilization
nn: C1-C2

26
Q

Middle scalene

A

O: transverse processes of C2-C7
I: first rib
Fx: flexes neck laterally, elevates first rib during forced inspiration
nn: anterior rami of cervical spinal nerves

27
Q

Posterior scalene

A

O: Transverse processes of C5-C7
I: second rib
Fx: flexes neck laterally, elevates second rib during forced inspiration
nn: anterior rami of cervical spinal nn.

Anatomy: DPT 620 (12 decks)

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