Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Intrinsic Back Muscles and Suboccipitals POINA > Flashcards

Intrinsic Back Muscles and Suboccipitals POINA Flashcards

Includes intermediate layer as well

1
Q

Intermediate Back Muscles

A

Serratus Posterior Superior and Inferior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Serratus Posterior Inferior

A

PA: spinous process of T12-L3
DA: Ribs 9-12
Action: Rib depression with exhalation
Nerve: Ventral rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Serratus Posterior Superior

A

PA: spinous process of C7-T3
DA: Ribs 2-4
Action: Forced breathing, rib elevation with inhalation
Innervation: Ventral rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Innervation of all deep back muscles

A

Dorsal rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Intrinsic muscles: superficial

A

Splenius (capitis and cervicis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Intrinsic muscles: intermediate

A

Erector spinae group: spinalis, longissimus, iliocostalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Intrinsic muscles: deep back

A

Transversospinalis group
Multifidi
Rotatores (brevis and longus)
Semispinalis (thoracis, cervicis, capitis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Splenius Purposeful Action

A

Social interaction, driving

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Splenius Main Action

A

Unilateral: lateral flexion and ipsilateral rotation
Bilateral: extend neck and head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Splenius Proximal Attachment

A

Nuchal ligament and SP of C7-T6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Splenius Distal Attachment

A

Capitis: mastoid process, superior nuchal line
Cervicis: TP of C1-4 (LIKE LEVATOR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Splenius Innervation

A

Dorsal rami of spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Erector Spinae Purposeful Action

A

Maintaining upright posture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Erector Spinae Main Action

A

Unilateral: ipsilateral flexion
Bilateral: Extend vertebral column
E(rector)xtend and side bend

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Erector Spinae Proximal Attachment

A

Thorocolumbar fascia, iliac crest, SP(inae) of lumbar and last 2 thoracic vertebrae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Erector Spinae Distal Attachment

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Erector Spinae Innervation

A

Dorsal rami of spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Rotatores Purposeful Action

A

Tai chi/yoga, deep postural stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Rotatores Main Action

A

Unilateral: contralateral rotation of vertebral column
Bilateral: Extend vertebral column, proprioception

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Rotatores Inferior Attachment

A

TP of vertebrae (best developed in thoracic)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Rotatores Superior Attachment

A

SP of lumbar vertebrae through C2
SPANS 1-2 SEGMENTS
Brevis: 1 segment
Longus: 2 segments

22
Q

Rotatores Innervation

A

Dorsal rami of spinal nerves

23
Q

Multifidi Purposeful Action

A

Deep postural stability (BIRD DOG)

24
Q

Multifidi Main Action

A

Unilateral: Contralateral rotation of vertebral column
Bilateral: Extend vertebral column, stabilizes vertebrae during local movements

25
Q

Multifidi Inferior Attachment

A

Posterior sacrum, PSIS, aponeurosis of erector spinae, SI ligaments, mammillary processes of lumbar vertebrae, TP of T1-T3, articular processes of C4-C7

26
Q

Multifidi Superior Attacment

A

Thickest in lumbar region
Entire length of spinous process (fibers run obliquely superomedially)
Spans 2-4 segments (OVERLAP WITH ROTATORES)

27
Q

Multifidi Innervation

A

Dorsal rami of spinal nerves

28
Q

Semispinalis Purposeful Action

A

Using a computer workstation, looking overhead

29
Q

Semispinalis Main Action

A

Extend head, neck, thoracic spine
Contralateral rotation (all sections)

30
Q

Semispinalis Inferior Attachment

A

TP of C4-T12

31
Q

Semispinalis Superior Attachment

A

Occipital bone, SP in thoracic and cervical regions (diagonal fibers)
SPANS 4-6 SEGMENTS

32
Q

Semispinalis Innervation

A

Cervical dorsal rami

33
Q

Suboccipitals Purposeful Action

A

Scanning a computer monitor, reading a book

34
Q

Suboccipitals Innervation

A

Suboccipital nerve (dorsal ramus of C1)

35
Q

Rectus Capitis Posterior Major Origin

A

SP of C2

36
Q

Rectus Capitis Posterior Major Insertion

A

Lateral part of inferior nuchal line

37
Q

Rectus Capitis Posterior Major Action

A

Rock and tilt the head to extension, ipsilateral rotation

38
Q

Rectus Capitis Posterior Minor Origin

A

Posterior Tubercle of C1

39
Q

Rectus Capitis Posterior Minor Insertion

A

Medial inferior nuchal line

40
Q

Rectus Capitis Posterior Minor Action

A

Rock and tilt the head to extension, ipsilateral rotation

41
Q

Obliquus Capitis Inferior Origin

A

Spinous process of C2 (SP2)

42
Q

Obliquus Capitis Inferior Insertion

A

TP of C1

43
Q

Obliquus Capitis Inferior Action

A

Ipsilateral rotation

44
Q

Obliquus Capitis Superior Origin

A

TP of C1

45
Q

Obliquus Capitis Superior Insertion

A

Occipital bone between superior and inferior nuchal lines

46
Q

Obliquus Capitis Superior Action

A

Rock and tilt head into extension, ipsilateral flexion

47
Q

Contents of suboccipital triangle

A

Vertebral artery and suboccipital nerve (C1)

48
Q

Suboccipital triangle superomedial boundary

A

Rectus capitis posterior major

49
Q

Suboccipital triangle inferolateral boundary

A

Obliquus capitis inferior

49
Q

Suboccipital triangle superolateral boundary

A

Oblique capitis superior

50
Q

Suboccipital triangle floor

A

Posterior OA membrane and posterior arch of C1

51
Q

Suboccipital triangle roof

A

Semispinalis capitis

Anatomy (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions