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Muscle Anatomy > HEAD & NECK: Anterior and lateral neck muscles > Flashcards

HEAD & NECK: Anterior and lateral neck muscles Flashcards

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1
Q

SUPRAHYOID MUSCLES

Mylohyoid - origin

A

Mylohyoid line of mandible

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2
Q

SUPRAHYOID MUSCLES

Mylohyoid - insertion

A

Mylohyoid raphe, Body of hyoid bone

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3
Q

SUPRAHYOID MUSCLES

Mylohyoid - innervation

A

Nerve to mylohyoid (of inferior alveolar nerve (CN V3)

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4
Q

SUPRAHYOID MUSCLES

Mylohyoid - function

A

Forms floor of oral cavity, Elevates hyoid bone and floor of mouth, Depresses mandible

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5
Q

SUPRAHYOID MUSCLES

Geniohyoid - origin

A

Inferior mental spine (Inferior genial tubercle)

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6
Q

SUPRAHYOID MUSCLES

Geniohyoid - insertion

A

Body of hyoid bone

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7
Q

SUPRAHYOID MUSCLES

Geniohyoid - innervation

A

Anterior ramus of spinal nerve C1 (via hypoglossal nerve)

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8
Q

SUPRAHYOID MUSCLES

Geniohyoid - function

A

Elevates and draws hyoid bone anteriorly

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9
Q

SUPRAHYOID MUSCLES

Stylohyoid - origin

A

Styloid process of temporal bone

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10
Q

SUPRAHYOID MUSCLES

Stylohyoid - insertion

A

Body of hyoid bone

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11
Q

SUPRAHYOID MUSCLES

Stylohyoid - innervation

A

Stylohyoid branch of facial nerve (CN VII)

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12
Q

SUPRAHYOID MUSCLES

Stylohyoid - function

A

Elevates and draws hyoid bone posteriorly

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13
Q

SUPRAHYOID MUSCLES

Digastric [Anterior belly] - origin

A

Digastric fossa of mandible

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14
Q

SUPRAHYOID MUSCLES

Digastric [Posterior belly] - origin

A

Mastoid notch of temporal bone

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15
Q

SUPRAHYOID MUSCLES

Digastric - insertion

A

Intermediate digastric tendon (Body of hyoid bone)

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16
Q

SUPRAHYOID MUSCLES

Digastric [Anterior belly] - innervation

A

Nerve to mylohyoid (of inferior alveolar nerve) (CN V3)

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17
Q

SUPRAHYOID MUSCLES

Digastric [Posterior belly] - innervation

A

Digastric branch of facial nerve (CN VII)

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18
Q

SUPRAHYOID MUSCLES

Digastric - function

A

Depresses mandible, Elevates hyoid bone during swallowing and speaking

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19
Q

INFRAHYOID MUSCLES

Sternothyroid - origin

A

Posterior surface of manubrium of sternum, Costal cartilage of rib 1

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20
Q

INFRAHYOID MUSCLES

Sternothyroid - insertion

A

Oblique line of thyroid cartilage

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21
Q

INFRAHYOID MUSCLES

Sternothyroid - innervation

A

Anterior rami of spinal nerves C1-C3 (via ansa cervicalis)

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22
Q

INFRAHYOID MUSCLES

Sternothyroid - function

A

Depresses larynx

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23
Q

INFRAHYOID MUSCLES

Sternohyoid - origin

A

Manubrium of sternum, Medial end of clavicle

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24
Q

INFRAHYOID MUSCLES

Sternohyoid - insertion

A

Inferior border of body of hyoid bone

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25
INFRAHYOID MUSCLES Sternohyoid - innervation
Anterior rami of spinal nerves C1-C3 (via ansa cervicalis)
26
INFRAHYOID MUSCLES Sternohyoid - function
Depresses hyoid bone (from elevated position)
27
INFRAHYOID MUSCLES Omohyoid [Inferior belly] - origin
Superior border of scapula (near suprascapular notch)
28
INFRAHYOID MUSCLES Omohyoid [Superior belly] - origin
Intermediate tendon of omohyoid muscle
29
INFRAHYOID MUSCLES Omohyoid [Inferior belly] - insertion
Intermediate tendon of omohyoid muscle
30
INFRAHYOID MUSCLES Omohyoid [Superior belly] - insertion
Body of hyoid bone
31
INFRAHYOID MUSCLES Omohyoid - innervation
Anterior rami of spinal nerves C1-C3 (via ansa cervicalis)
32
INFRAHYOID MUSCLES Omohyoid - function
Depresses and draws hyoid bone posteriorly
33
INFRAHYOID MUSCLES Thyrohyoid - origin
Oblique line of thyroid cartilage
34
INFRAHYOID MUSCLES Thyrohyoid - insertion
Inferior border of body and greater horn of hyoid bone
35
INFRAHYOID MUSCLES Thyrohyoid - innervation
Anterior ramus of spinal nerve C1 (via hypoglossal nerve)
36
INFRAHYOID MUSCLES Thyrohyoid - function
Depresses hyoid bone, Elevates larynx
37
OTHER NECK MUSCLES Scalenus anterior (Anterior scalene) - origin
Anterior tubercle of transverse processes of vertebrae C3-C6
38
OTHER NECK MUSCLES Scalenus anterior (Anterior scalene) - insertion
Scalene tubercle and superior border of rib 1 (anterior to subclavian groove)
39
OTHER NECK MUSCLES Scalenus anterior (Anterior scalene) - innervation
Anterior rami of spinal nerves C4-C6
40
OTHER NECK MUSCLES Scalenus anterior (Anterior scalene) - function
Bilateral contraction - Neck flexion Unilateral contraction - Neck lateral flexion (ipsilateral), Neck rotation (contralateral), Elevates rib 1
41
OTHER NECK MUSCLES Scalenus medius (Middle scalene) - origin
Posterior tubercles of transverse processes of vertebrae C2-C7
42
OTHER NECK MUSCLES Scalenus medius (Middle scalene) - insertion
Superior border of rib 1 (posterior to subclavian groove)
43
OTHER NECK MUSCLES Scalenus medius (Middle scalene) - innervation
Anterior rami of spinal nerves C3-C8
44
OTHER NECK MUSCLES Scalenus medius (Middle scalene) - function
Neck lateral flexion, Elevates rib 1
45
OTHER NECK MUSCLES Scalenus posterior (Posterior scalene) - origin
Posterior tubercles of transverse processes of vertebrae C4-C6
46
OTHER NECK MUSCLES Scalenus posterior (Posterior scalene) - insertion
External surface of rib 2
47
OTHER NECK MUSCLES Scalenus posterior (Posterior scalene) - innervation
Anterior rami of spinal nerves C6-C8
48
OTHER NECK MUSCLES Scalenus posterior (Posterior scalene) - function
Neck lateral flexion, Elevates rib 2
49
OTHER NECK MUSCLES Rectus capitis anterior - origin
Anterior surface of lateral mass and transverse process of atlas
50
OTHER NECK MUSCLES Rectus capitis anterior - insertion
Inferior surface of basilar part of occipital bone
51
OTHER NECK MUSCLES Rectus capitis anterior - innervation
Anterior rami of spinal nerves C1, C2
52
OTHER NECK MUSCLES Rectus capitis anterior - function
Atlantooccipital joint: Head flexion
53
OTHER NECK MUSCLES Rectus capitis lateralis - origin
Superior surface of transverse process of atlas
54
OTHER NECK MUSCLES Rectus capitis lateralis - insertion
Inferior surface of jugular process of occipital bone
55
OTHER NECK MUSCLES Rectus capitis lateralis - innervation
Anterior rami of spinal nerves C1, C2
56
OTHER NECK MUSCLES Rectus capitis lateralis - function
Unilateral contraction - Atlantooccipital joint: Head lateral flexion (ipsilateral), Stabilises joint
57
OTHER MUSCLES Platysma - origin
Skin/Fascia of infra- and supraclavicular regions
58
OTHER MUSCLES Platysma - insertion
Lower border of mandible, Skin of buccal/cheek region, Lower lip, Modiolus, Orbicularis oris muscle
59
OTHER MUSCLES Platysma - innervation
Cervical branch of facial nerve (CN VII)
60
OTHER MUSCLES Platysma - function
Depresses mandible and angle of mouth, Tenses skin of lower face and anterior neck
61
OTHER MUSCLES Sternocleidomastoid [Sternal head] - origin
Superoanterior surface of manubrium of sternum
62
OTHER MUSCLES Sternocleidomastoid [Clavicular head] - origin
Superior surface of medial third of clavicle
63
OTHER MUSCLES Sternocleidomastoid - insertion
Lateral surface of mastoid process of temporal bone, Lateral half of superior nuchal line of occipital bone
64
OTHER MUSCLES Sternocleidomastoid - innervation
Accessory nerve (CN XI), Anterior rami of spinal nerves C2-C3
65
OTHER MUSCLES Sternocleidomastoid - function
Bilateral contraction - Atlantooccipital joint/Superior cervical spine: Head/Neck extension Inferior cervical vertebrae: Neck flexion Sternoclavicular joint: Elevation of clavicle and manubrium of sternum Unilateral contraction - Cervical spine: Neck ipsilateral flexion, Neck contralateral rotation
66
OTHER MUSCLES Longus capitis - origin
Anterior tubercles of transverse processes of C3-C6
67
OTHER MUSCLES Longus capitis - insertion
Basilar part of occipital bone
68
OTHER MUSCLES Longus capitis - innervation
Anterior rami of spinal nerves C1-C3
69
OTHER MUSCLES Longus capitis - function
Bilateral contraction - Head flexion Ipsilateral contraction - Head rotation (ipsilateral)
70
OTHER MUSCLES Longus colli (Longus cervicis) [Superior part] - origin
Anterior tubercles of transverse processes of vertebrae C3-C5
71
OTHER MUSCLES Longus colli (Longus cervicis) [Intermediate part] - origin
Anterior surface of bodies of vertebrae C5-T3
72
OTHER MUSCLES Longus colli (Longus cervicis) [Inferior part] - origin
Anterior surface of bodies of vertebrae T1-T3
73
OTHER MUSCLES Longus colli (Longus cervicis) [Superior part] - insertion
Anterior tubercle of vertebra C1
74
OTHER MUSCLES Longus colli (Longus cervicis) [Intermediate part] - insertion
Anterior surface of bodies of vertebrae C2-C4
75
OTHER MUSCLES Longus colli (Longus cervicis) [Inferior part] - insertion
Anterior tubercles of transverse processes of vertebrae C5-C6
76
OTHER MUSCLES Longus colli (Longus cervicis) - innervation
Anterior rami of spinal nerves C2-C6
77
OTHER MUSCLES Longus colli (Longus cervicis) - function
Bilateral contraction - Neck flexion, Neck lateral flexion (ipsilateral) Unilateral contraction - Neck contralateral rotation

Muscle Anatomy (19 decks)

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