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Muscle Cards > Back and Neck > Flashcards

Back and Neck Flashcards

1
Q

trapezius

A

O: nuchal line, external occipital protuberence, nuchal ligament, and SP C7-T12
I: clavical, acromion, and spine of scapula
N: spinal accessory nerve (CN XI)
A: elevate and upward rotation of scapula, retraction, and depress and upward rotation of scapula

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2
Q

Latissimus Dorsi

A

O: SP of T6-T12, iliac crest and last 3-4 ribs
I: humus @ intertubercular groove
N: thoracodorsal nerve (C6-8)
A: extend, adduction and IR humerus; raise body towards arms (ex: pull up)

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3
Q

Levator Scapulae

A

O: TP C1-C4
I: medial superior border of scapula
N: dorsal scapular (C5) and cervical nerves (C3-C4)
A: elevate scapula; downward rotation of scapula

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4
Q

Rhomboids

A

O: SP of C7-T1 and nuchal ligament; SP T2-5
I: medial border of scapula
N: dorsal scapular (C4-C5)
A: retraction and downward rotation of scapula

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5
Q

Serratus Anterior

A

O: ribs 1-8
I: anterior surface of scapula
N: long thoracic nerve (C5-C7)
A: protracts scapula; upward rotation (helps trap)

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6
Q

Serratus Posterior Superior

A

O: SP C7-T3; nuchal ligament
I: ribs 2-4
N: intercostal nerves 2-5
A: elevate ribs; proprioception

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7
Q

Serratus Posterior Inferior

A

O: SP T11-L2
I: ribs 8-12
N: ventral rami of T9-12
A: depresses ribs; proprioception

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8
Q

Splenius

A

O: SP C7-T4
I: “capitus” - mastoid process and nuchal line of occipital bone; “cervicus” - TP of C1-C3/4
N: dorsal rami
A: unilateral - SB and rotate head to same side; bilateral - extend head and neck

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9
Q

Erector Spinae - iliocostalis

A

O: iliac crest/sacrum/SI ligaments, sacral/lumbar SP
I: lumborum, thoracic and cervicis - fibers run superiorly to angles of lower ribs and cervical TPs
N: dorsal rami
A: unilateral - SB; bilateral - extention

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10
Q

Erector Spinae - longissimus

A

O: iliac crest/sacrum/SI ligaments, sacral/lumbar SP
I: thoracis, cervicis, and capitis - fibers run superior to ribs between tubercles and angles, to TPs in thoracic and cervical regions and to mastoid process
N; dorsal rami
A: unilateral - SB; bilateral - extension

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11
Q

Erector Spinae - spinalis

A

O: iliac crest/sacrum/SI ligaments, sacral/lumbar SP
I: thoracic, cervicis, and capitis - fibers run superiorly to SP in upper thoracic region and to skull
N: dorsal rami
A: unilateral - SB; bilateral - extension

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12
Q

Transversospinalis - SemiSpinalis

A

O: TPs of C4-T12
I: thoracis, cervicis, and capitis - fibers run superomedially to occiptal bone and SP in thoracic and cervical regions (spanning 4-6 segments)
N: dorsal rami
A: extension; contralateral rotation

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13
Q

Transversospinalis - Multifidus

A

O: sacrum, PSIS, erector spinae, SI ligaments, TP of T1-T3 and articular processes of C4-C7
I: fibers superomedially to SP of vertebra above - spanning 2-4 segments
N: dorsal rami
A: stabilization

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14
Q

Transversospinalis - Rotatores

A

O: TP of vertebrae (mostly in thoracic)
I: superomedially 1-2 segments to attach to lamina and SP
N: dorsal rami
A: stabilization and assist with local extension and rotary movement; proprioception

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15
Q

Interspinales

A

O: SP of cervical and lumbar
I: SP of vertebra superior to vertebra of origin
N: dorsal rami
A: extension and rotation

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16
Q

Intertransversarii

A

O: TP of cervical and lumbar
I: TP of adjacent vertebrae
N: dorsal and VENTRAL rami
A: unilateral - SB; bilateral - stabilization

17
Q

Levator Costarum

A

O: TP of C7-T11
I: ribs
N: dorsal rami
A: elevate ribs; assist with inspiration; SB

18
Q

Suboccipital - Rectus Capitus Posterior Minor

A

O: CI posterior tubercle
I: inferior nuchal line
N: suboccipital nerve (C1)
A: extension, rotation to same side

19
Q

Suboccipital - Rectus Capitus Posterior Major

A

O: SP of C2
I: inferior nuchal line
N: suboccipital nerve (C1)
A: extension, rotation to same side

20
Q

Suboccipital - Obliquus Capitus Inferior

A

O: SP of C2
I: TP of C1
N: suboccipital nerve (C1)
A: extension, rotation to same side

21
Q

Suboccipital - Obliquus Capitus Superior

A

O: TP of C1
I: between superior and inferior nuchal lines
N: suboccipital nerve (C1)
A: extension, SB to same side

22
Q

Platysma

A

O: mandible, skin and sub tissue of face
I: fascia of pect major and deltoid
N: facial nerve (CN VII)
A: draws skin superior with clinched teeth; draws corners of mouth inferiorly

23
Q

Sternocleidomastoid

A

O: sternal - manubrium; clavicle
I: mastoid process and superior nuchal line
N: spinal accessory nerve (CN XI)
A: unilateral - SB to same side; rotation to opposite side; bilateral - flex neck

24
Q

Anterior Scalene

A

O: TP C3-C6
I: 1st rib
N: ventral rami
A: SB neck, elevates rib during inspiration

25
Q

Middle Scalene

A

O: TP of C5-C7
I: 1st rib
N: ventral rami
A: SB neck, elevates ribs during inspiration

26
Q

Posterior Scalene

A

O: TP of C5-C7
I: 2nd rib
N: ventral rami
A: SB neck; elevates ribs during inspiration

27
Q

Suprahyoid - Digastric

A

O: anterior - mandible; posterior - mastoid notch
I: hyoid body and greater horn
N: anterior - CN V (mandibular branch); posterior - CN VII facial nerve
A: depresses mandible; elevates hyoid during swallowing

28
Q

Suprahyoid - Stylohyoid

A

O: styloid process on temporal bone
I: hyoid body
N: CN VII facial nerve
A: elevates and retracts hyoid

29
Q

Suprahyoid - Mylohyoid

A

O: mandible
I: hyoid body
N: CN V mandibular branch
A: elevates hyoid

30
Q

Suprahyoid - Geniohyoid

A

O: mandible
I: hyoid body
N: hypoglossal nerve (CN XII)
A: pulls hyoid anterior/superiorly; widens pharynx

31
Q

Infrahyoid - Omohyoid

A

O: scapula (suprascapular notch)
I: hyoid
N: ansa cervicalis (C1-C3)
A: depresses and retracts hyoid bone

32
Q

Infrahyoid - Sternohyoid

A

O: manubrium of sternum and head of clavicle
I: hyoid
N: ansa cervicalis (C1-C3)
A: depresses hyoid after elevation

33
Q

Infrahyoid - Sternothyroid

A

O: manubrium
I: thyroid cartilage
N: ansa cervicalis (C2-C3)
A: depresses hyoid and larynx

34
Q

Infrahyoid - thyrohyoid

A

O: thyroid cartilage
I: hyoid
N: CI by hypoglossal nerve (CN XII)

35
Q

Longus Capitis

A

O: occipital bone
I: TP C3-C6
N: C1-C3 ventral rami
A: flex head

36
Q

Longus Colli

A

O: C1 anterior tubercle, C1-C3 bodies, C3-C6 TPs
I: C5-T3 bodies, C3-C5 TPs
N: C2-C6 ventral rami
A: flex neck; rotation to opposite side

37
Q

Rectus Capitis Anterior

A

O: occiput
I: C1 anterior of lateral mass
N: C1 and C2 ventral rami
A: flex head

38
Q

Rectus Capitis Lateralis

A

O: occipital bone - jugular process
I: C1 TP
N: C1 and C2 ventral rami
A: flex head

Muscle Cards (5 decks)

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