Muscles of the back Flashcards

1
Q

Origin of Iliocostalis

A

Iliac crest and sacrum

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

Insertion of Iliocostalis

A

Angles of ribs

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

Origin of Longissimus

A

TVP’s at inferior vertebral levels

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

Action of Iliocostalis

A

Extends and laterally bends trunk and neck

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

Insertion of Longissimus

A

TVP’s at superior vertebral levels and mastoid process

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

Action of Longissimus

A

Extends and laterally bends trunk and neck

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

Origin of Spinalis

A

SP’s of vertebrae below

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

Insertion of Spinalis

A

SP’s of vertebrae above (includes base of skull)

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

Action of Spinalis

A

Extends and laterally bends the trunk and neck

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

What makes up the Erector Spinae group

A

Spinalis, iliocostalis, longissimuss

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

What makes up the intrinsic back muscles

A

Interspinalis & Intertransversarii

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

Origin of Interspinales

A

Upper border of spinous processes

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

Insertion of Interspinales

A

Lower border of SP’s above

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

Action of Interspinales

A

Extends trunk and neck

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

Origin Intertransversarii

A

Upper border of TVPS

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

Insertion of Intertransversarii

A

Lower border of TVPS above

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

Action of Intertransversarii

A

Laterally bends trunk and neck

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

Origin of multifidus

A

Sacrum, TVPS of C3-L5

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

Insertion of multifidus

A

SP’s 2-4 levels above their origin

20
Q

Action of Multifidus

A

Extends and laterally bends trunk and neck
Rotates to opposite side then what muscle s on

21
Q

What makes up the Transversospinalis muscles

A

Multifidus,
Rotatores,
Semispinalis

22
Q

Origin of Rotatores

A

TVPS

23
Q

Insertion of Rotatores

A

Long rotatores : SP’s 2 vertebrae above origin
Short rotatores: SP’s 1 vertebrae above orgin

24
Q

Action of Rotatores

A

Rotates vertebral column to opposite side

25
Q

Origin of Semispinalis

A

TVP’s of C7-T12

26
Q

Insertion of Semispinalis

A

Capitis ; back of skull between nuchal line
Cervcis & thoracis : SP’s of 4-6 vertebrae above origin

27
Q

Action of Semispinals

A

Extends and laterally bends the trunk and rotates trunk to opposite side

28
Q

What muscles make of the Splenius muscles

A

Splenius capitis
Splenius cervicis

29
Q

Origin of Splenius Capitis

A

Nuchal ligament and SP’s of C7-T6

30
Q

Insertion of Splenius Capitis

A

Mastoid process and lateral end of superior nuchal line

31
Q

Action of Splenius Capitis

A

Extends and laterally bends the neck and head, rotates head to same side

32
Q

Origin of Splenius Cervicis

A

Nuchal ligament and SP’s of C7-T6

33
Q

Insertion of Splenius Cervicis

A

Posterior tubercles of TVPS’s C1-C3

34
Q

Action of Splenius Cervicis

A

Extends and laterally bends neck and head, rotates head to the same side

35
Q

What muscles make up the Suboccipitals

A

Obliquus Capitis Inferior
Obliquus Capitis Superior
Rectus Capitis Posterior Major
Rectus Capitis Posterior Minor

36
Q

Origin of Obliquus Capitis Inferior

A

SP of axis (C2)

37
Q

Insertion of Obliquus Capitis Inferior

A

TVPs of atlas (C1)

38
Q

Action of Obliquus Capitis Inferior

A

Rotates head to same side

39
Q

Origin of Obliquus Capitis Superior

A

TVPS of atlas (C1)

40
Q

Insertion of Obliquus Capitis Superior

A

Occipital bone above inferior nuchal line

41
Q

Action of Obliquus Capitis Superior

A

Extends head, rotates head to same side

42
Q

Origin of Rectus Capitis Posterior Major

A

SP of axis (C2)

43
Q

Insertion of Rectus Capitis Posterior Major

A

Inferior nuchal line

44
Q

Action of Rectus Capitis Poterior Major

A

Extends head, rotates head to same side

45
Q

Origin of Rectus Capitis Posterior Minor

A

Posterior tubercle of atlast (C1)

46
Q

Insertion of Rectus Capitis Posterior Minor

A

Medial inferior nuchal line

47
Q

Action of Rectus Capitis Posterior Minor

A

Extends head