Brainscape's Knowledge GenomeTM

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


See full index

ANAT315 > muscles of the back and neck > Flashcards

muscles of the back and neck Flashcards

1
Q

what is the function of the trapezius when the scapula is fixed?

A

Bilateral cervical extension

Unilateral ipsilateral lateral flexion and contralateral rotation of the cervical spine

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

What are the muscles found in the transverospinal Muscles

A
  • semispinalis
  • multifudus
  • rotatores (longus and brevis)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the function of the latissimus dorsi when the scapula is fixed?

A

bilateral: extension of lumbar spine
unilateral: ipsilateral lateral flexion of the lumbar spine

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

obliquus capitus inferior

  • origin
  • insertion
  • action
A
  • origin: SP of Axis
  • insertion: TP of Atlas
  • action: ipsilateral of the head via neck
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Rotatores

  • origin?
  • Insertion?
A
  • origin: Thoracic Region TPs

- Insertion: SPs of vertebrae above origin (1 vertebrae above origin= brevis, 2-3 vertebrae above origin= Longus)

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

Longus Coli

  • origin
  • insertion
  • action
A
  • origin: vertebral bodies (inferior to insertion
  • insertion: TPs of cervical vertebrae
  • action: flexion of the cervical spine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Scalenes?

  • origin
  • insertion
  • action
A
  • origin: TPs of cervical vertebrae
  • insertion: anterior and middle scalene on Rib 1, Posterior scalene on Rib 2
  • action: elevation of ribs during inspiration and flexion of the cervical spine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

intrinsic muscles are generally attached where?

A

these are muscles that generally have attachments on the ribs or vertebral column

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

serratus posterior inferior

  • origin?
  • insertion?
  • main functions?
A

Origin: Thiracolumbar Fascia, SPs of T11-L2
Insertion: ribs 9-12
main function: depression of lower ribs

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

Rectus Capitis Anterior

  • origin
  • insertion
  • action
A
  • origin: TP of Atlas (C1)
  • insertion: Occipital bone midline
  • action: stabilizes head, weak flexion of the head
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Semispialis

  • origin?
  • Insertion?
A
  • origin: Tps of the cervical and thoracic

- Insertion: SPs 4-6 Vertebral levels above origin

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

what is the innervation of the anterior deep muscles of the neck?

A

anterior rami of C1-C3

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

what is the innervation of scalenes?

A

anterior Rami C3-C8

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

What muscle group does the splenius belong to?

Neck or Back?

A

Neck (superficial group)

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

what is the main action of transverospinal Muscles?

A
  • contralateral rotation of the spine

- semispinalis also allows extension of the head (Capitus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q 
Sternocleidomastoid
Origin?
Insertion?
innervation?
Main functions?
A

origin: Sternum and clavicle
Insertion: Mastoid Process
Innervation: Spinal Acessory Nerve
functions: Bilateral allows for extension of the head
Unilateral allows for ipsilateral lateral flexion

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

rectus capitus posterior minor

  • origin
  • insertion
  • action
A
  • origin: posterior tubercule of Atlas (C1)
  • insertion: occipital bone
  • action: extension of the head
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Levatores costarum

  • origin?
  • Insertion?
  • actions?
A
  • origin: TP from C7-T11
  • Insertion: Upper boarder of the ribs
  • actions: Elevates ribs, Ipsilateral lateral flexion of the vertebral column
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Levator scapule

  • origin?
  • insertion?
  • main functions?
A

-Origin:Transverse Processes of C1-C4
-Insertion: Superiomedial boarder of the scapula
-Primary Function:Movement of the scapula
Secondary function: unilateral ipsilateral, lateral flexion of the cervical spine
bilateral extension of the neck

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

Rhomboid minor and major

  • origin?
  • insertion?
  • main functions?
A
  • Origin: spinal processes of the C7-T5
  • insertion: Medial boarder of the scapula (minor is attached superior to Major)
  • main function: movement of the scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

where is the innervation of the spenius muscles?

A

Posterior Rami of the cervical spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Spleius Capitus

  • origin?
  • Insertion?
  • actions?
A

-origin:Ligamentum of Nuchae and SPs of C7-T3
-Insertion: Matoid process of the temporal bone
-actions: Bilateral extension of the head.
Unilateral: lateral flexion and ipsilateral rotation of the head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are the intrinsic muscles of the back innervated by?

A

by branches of the posterior rami of spinal nerves

24
Q

obliquus capitus superior

  • origin
  • insertion
  • action
A
  • origin: TP of Atlas (C1)
  • insertion: occipital bone
  • action: extension and ipsilateral lateral flexion of the head
25
Q

rectus capitus posterior major

  • origin
  • insertion
  • action
A
  • origin: SP of axis (C2)
  • insertion: Occipital bone
  • action: extension and ipsilateral rotation of the head
26
Q

What are the posterior suboccipital muscles of the neck?

A
  • rectus capitus posterior major
  • rectus capitus posterior minor
  • obliquus capitus superior
  • obliquus capitus inferior
27
Q

what extrinsic back muscles are found int the 3rd superficial layer?

A
  • serratus posterior superior

- serratus posterior inferior

28
Q

what back muscles are included in the 1st superficial layer?

A
  • Trapezius

- latissimus Dorsi

29
Q

What are extrinsic muscles? what is another name given to them?

A

extrinsic muscles are muscles located in one region but that control movements in a different region.
they are know as superficial muscles

30
Q

what are intrinsic muscleS?

A

these are muscles located in one area and allow for movement in that particular area

31
Q

deep muscles of the back is another name given to which muscles?

A

the intrinsic muscles

32
Q

how is the Longus Colli divided?

A
  • superior oblique
  • vertical
  • inferior oblique
33
Q

what types of muscles of the back are responsible for the movement of the upper limbs?

A

extrinsic muscles

34
Q

serratus posterior superior

  • origin?
  • insertion?
  • main functions?
A

-origin: Ligamentum of Nuchae and SPs of C7-T3
-Insertion: first 4 ribs
main function: elevation of the upper ribs

35
Q

Multifudus

  • origin?
  • Insertion?
A
  • origin: Thoracolumbar TPs

- Insertion:SPs 2-4 Vertebral levels above origin

36
Q

what muscles are found in the splenius?

A

-splenius Capitus

Splenius Cevicis

37
Q

what are the minor deep muscles of the back?

A
  • Interspinalis
  • intertransversari
  • levatores Costarum
38
Q

how are the intrinsic muscles of the back arranged?

A

they are arranged in 3 layer
-splenius (superficial)
Erector Spinae (intermediate)
transversospinal & minor deep muscles (deep)

39
Q

how are extrinsic muscles of the back innervated? is there an exception?

A

superficial muscles of the back are innervated by the branches of the anterior rami of the spinal nerves however, trapezius is innervated by the spinal accessory nerves

40
Q

what is the main actions of the Erector Spinae?

A

-bilateral extension of the vertebral colulmn

Unilateral lateral flexion of the vertebral column (strictly accomplished by the Iliocostalis)

41
Q

What are the muscles found in the erector Spinae?

What is the trick to remember them?

A
  • Iliocostalis
  • longissimus
  • Spinalis

-I like standing muscles

42
Q

what is the primary function of intrinsic muscles?

A

they support and allow movement of the vertebral column

43
Q

Splenius Cervicis

  • origin?
  • Insertion?
  • actions?
A

-origin: SPs of T3-4
-Insertion: TPs of C1-3
-actions:
Bilateral:Extension of the spine
Unilateral: Lateral Flexion and ipsilateral rotation of the neck

44
Q

What back and neck muscles are involved in respiration?

A
  • serratus posterior superior
  • serratus posterior inferior
  • Levatores Costarum
  • scalenes
45
Q

Intertransversari

  • origin?
  • Insertion?
  • actions?
A
  • origin: TP prominent in the cervical and Lumbar regions
  • Insertion: TP of the vertebrae above
  • actions: Ipsilateral lateral flexion of the spine
46
Q

Longus Capitis

  • origin
  • insertion
  • action
A
  • origin:TPs of cervical vertebrae
  • insertion: occipital bone
  • action: flexion of the head
47
Q

Generally speaking, when taking about movement of the back and neck, what term can be used to describe their rotation

A

neck: ipsilateral movements
back: contralateral movements for the most part

48
Q

rectus capitus lateralis

  • origin
  • insertion
  • action
A
  • origin: TP of Atlas (C1)
  • insertion: occipital bone
  • action: stabilizes head, weak lateral flexion of the head
49
Q

Interspinalis

  • origin?
  • Insertion?
  • actions?
A
  • origin: SP of one vertebrae
  • Insertion: SP of the vertebrae above
  • actions: Extension of the spine
50
Q

what is the triangle of Auscultation?

what is it bordered by?

A
  • its an area of muscle thinning where clear respiratory sounds can be heard
  • bordered by Trapezius, Latissimus Dorsi and Rhomboid Major
51
Q

what are the anterior Deep muscles of the neck?

A
  • Rectus capitis Lateralis
  • Rectus Capitis Anterior
  • Longus Capitis
  • Longus Colli
52
Q

what muscles form the suboccipital triangle?

A

it is bordered by

  • Rectus capitus Major, Obliquus capitis inferior
  • Obliquus capitis superior
53
Q

how are the suboccipital muscles (posterior) of the neck innervated?

A

suboccipital nerve (posterior ramus of C1)

54
Q

what extrinsic back muscles are found in the second superficial layer

A

Levator Scapulae
Rhomboid Minor
Rhomboid Major

55
Q

where are the scalenes located?

A

anterior muscle of the neck

ANAT315 (12 decks)

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