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PT 601560 Anatomy Unit 1 > Deep Back POINAS > Flashcards

Deep Back POINAS Flashcards

1
Q

Splenius Capitis and Cervicis (Purposeful Activities)

A

Social Interaction, driving

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2
Q

Splenius Capitis and Cervicis (Main Action)

A

Unilaterally: laterally flexes the neck and rotates the head to side of active muscles

Bilaterally: extend the head and neck

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3
Q

Splenius Capitis and Cervicis (Proximal Attachment)

A

Nuchal ligament and spinous processes of C7-T6 vertebrae

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4
Q

Splenius Capitis and Cervicis (Distal Attachment)

A

Splenius Capitis: Fibers run superolaterally to mastoid process of temporal bone and lateral thhird of superior nuchal line of occipital bone

Splenius Cervicis: TP of C1-C4 vertebrae

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5
Q

Splenius Capitis and Cervicis (Nerve Innervation)

A

Posterior rami of spinal nerves

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6
Q

What do Ventral Nerve Roots control?

A

Motor

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7
Q

What do Dorsal Nerve Roots control?

A

Sensory

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8
Q

What do Ventral Rami control?

A

Innervate ventral body wall, superficial back, and all limb parts

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9
Q

What do Dorsal Rami control?

A

Innervate skin and deep muscles of back

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10
Q

Erector Spinae Group (Purposeful Activities)

A

Maintaining an upright posture for ADLs/IADLs

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11
Q

Erector Spinae Group (Main Actions)

A

Unilaterally: Laterally flex the vertebral column to the ipsilateral side

Bilaterally: extend the vertebral column

EXTENSION AND SIDEBEND

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12
Q

Erector Spinae Group (Proximal Attachments)

A

Common tendon (thoracolumbar fascia) that attaches to the posterior surface of the sacrum, iliac crest, and spinous processes of the lumbar and last two thoracic vertebrae (L5-T11)

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13
Q

Erector Spinae Group (Distal Attachments)

A

Iliocostalis: lower rib angles and cervical TP
Longissimus: between rib tubercles and angles to thoracic TP
Spinalis: upper thoracic SP and to cranium

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14
Q

Erector Spinae Group (Nerve Innervation)

A

Dorsal rami of Spinal Nerves

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15
Q

Which group of muscles is known as the Chief extensors of the vertebral column?

A

Erector Spinae Group

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16
Q

Which muscle of the Erector Spinae Group is the longest?

A

Longissimus

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17
Q

Where is the Longissimus Lumborum?

A

Doesn’t exist

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18
Q

Which muscle of the Erector Spinae Group attaches to every SP of every vertebrae?

A

Spinalis

(Does not go anymore lateral than the TP of each vertebrae)

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19
Q

What Muscles make up the Transversospinalis Group?

A

Rotatores, Multifidus, Semispinalis

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20
Q

What is the purpose of the Tranversospinalis Group?

A

They attach to the transverse processes and help rotate and extend the spine

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21
Q

Rotatores (Purposeful Activties)

A

Tai Chi or Yoga (deep postural stability)

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22
Q

Rotatores (Main Actions)

A

Unilaterally: Rotates the vertebral column to the opposite side (contralaterally)

Bilaterally: Extend the vertebral column locally. May function as organs of proprioception

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23
Q

Rotatores (Inferior Attachment)

A

Rotatores: TP of vertebrae (thoracic the best)

24
Q

Rotatores (Superior Attachment)

A

SP of lumbar vertebrae through second cervical vertebrae (rotatores span 1-2 vertebrae)

Brevis goes 1
Longus goes 2

25
Q

Rotatores (Nerve Innervation)

A

Dorsal rami of Spinal Nerves

26
Q

Multifidi (Purposeful Activities)

A

Tai Chi or yoga (deep postural stability)

27
Q

Multifidi (Main Actions)

A

Unilaterally: Rotates the vertebral column to the opposite side (contralaterally)

Bilaterallly: Extend the vertebral column

Stabilizes vertebrae during local movements of the vertebral column

28
Q

Multifidi (Inferior Attachment)

A

Multifidus: arises from the posterior sacrum, PSIS, aponeurosis of erector spinae, SI ligaments, mammilary processes of the lumber vertebrae, TP of T1-T3, articular processes of C4-C7

STAAMP

29
Q

Multifidi (Superior Attachment)

A

Multifidus: thickest in lumbar region; fibers pass obliquely superomedially to entire length of SP, located 2-4 segments superior to proximal attachment

30
Q

Multifidi (Nerve Innervation)

A

Dorsal rami of Spinal Nerves

31
Q

Semispinalis thoracis, cervicis, and capitis (Purposeful Activities)

A

Using a computer workstation, looking overhead

32
Q

Semispinalis thoracis, cervicis, and capitis (Main Actions)

A

Extends the head, neck, and thoracic spine
Rotates them contralaterally

33
Q

Semispinalis thoracis, cervicis, and capitis (Inferior Attachment)

A

TP of C4 to T12

34
Q

Semispinalis thoracis, cervicis, and capitis (Superior Attachment)

A

Fibers run superomedially to occipital bone and SP in thoracic and cervial regions, spanning 4-6 segments

35
Q

Semispinalis thoracis, cervicis, and capitis (Nerve Innervation)

A

Cervial dorsal rami of Spinal Cervical Nerves

36
Q

Suboccipitals (Purposeful Activity)

A

Scanning a computer monitor, reading a book

37
Q

Rectus capitis posterior major (Main Actions)

A

Rock and tilts the head back into extension
Rotates the head to the same side (ipsilaterally)

38
Q

Rectus capitis posterior major (Proximal Attachment)

A

Spinous process of vertebra C2 (axis)

39
Q

Rectus capitis posterior major (Distal Attachment)

A

Lateral inferior nuchal line of occipital bone

40
Q

Rectus capitis posterior minor (Main Actions

A

Rock and tilts the head back into extension
Rotate the head to the same side (ipsilaterally)

41
Q

Rectus capitis posterior minor (Proximal Attachment)

A

Posterior tubercle of posterior arch of vertebra C1 (atlas)

42
Q

Rectus capitis posterior minor (Distal Attachment)

A

Medial part of inferior nuchal line of occipital bone

43
Q

Obliquus capitis superior (Main Actions)

A

Rock and tilts the head back into extension
Laterally flex the head to the same side (ipsilaterally)

44
Q

Obliquus capitis superior (Proximal Attachment)

A

Transverse process of vertebra C1 (atlas)

45
Q

Obliquus capitis superior (Distal Attachment)

A

Occipital bone between superior and inferior nuchal lines

46
Q

Obliquus capitis inferior (Main Actions)

A

Rotate the head to the same side (ipsilaterally)

47
Q

Obliquus capitis inferor (Proximal Attachment)

A

Spinous process of vertebra C2 (axis)

48
Q

Obliquus capitis inferior (Distal Attachment)

A

Transverse process of vertebra C1 (atlas)

49
Q

Suboccipitals (Nerve Innervations)

A

Dorsal ramus of C1

50
Q

Which Suboccipital muscles are responsible for tilting the head?

A

Rectus capitis posterior major
Rectus capitis posterior minor
Oblique capitis superior

51
Q

Which Suboccipital muscles are responsible for turning the head? which other muscle is responsible?

A
  • Rectus capitis posterior major
  • Rectus capitis posterior minor
  • Oblique capitis inferior
  • Upper Trapezius
52
Q

Which sole Suboccipital muscle is responsible for side bending the neck?

A

Oblique Capitis Superior

53
Q

Which Suboccipital muscle does not attach to the occipital bone/head?

A

Oblique Capitis Inferior

54
Q

Which suboccipital muscles make up the Suboccipital Triangle?

A

Obliquus capitis superior
Rectus capitis posterior major
Obliquus capitis inferior

55
Q

Which 2 vital structures does the triangle encompass?

A

Vertebral artery
Suboccipital Nerve (C1)

56
Q

Which Nerves innervate the skin over the neck and occipital bones?

A

Greater Occipital
Lesser Occipital
Posterior Rami Nerves C3-C7

57
Q

If the head is rotating to the left, which muslces are involved?

A

Right side: Sternocleidomastoid, semispinalis capitis, upper trap

Left side: Obliquus capitis inferior, Rectus capitis posterior major and minor, Longissimus capitis, Splenius capitis

PT 601560 Anatomy Unit 1 (10 decks)

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