IMPORTANT MUSCLES Flashcards

1
Q

Trapezius Origin

A

Superior nuchal line, external occipital protuberance, nuchal ligament, spinous process of C7-T12

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

Trapezius Insertion

A

clavicle, acromion, spine of scapula

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

Trapezius Vessels

A

supreficial branch of transverse cervical artery

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

Trapezius Actions

A

ERR- elevation, retraction, rotation of the scapula

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

Lats Origin

A

spinous process of T7-12, thoracolumbar fascia, iliac crest, inferior 3-4 ribs

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

Lats Insertion

A

intertubercular groove of humerus

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

Lats Innervation

A

thoracodorsal nerve

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

Lats Vessels

A

thoracodorsal artery

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

Lats Actions

A

EAM- extends, adducts, medially rotates

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

Rhomboid names

A

minor, major, lavetor scapulae

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

Rhomboids Innervation

A

dorsal scapular nerve

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

Rhomboids Vessels

A

deep branch of transverse cervical artery

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

Rhomboid Minor Origins

A

ligamentum nuchae, C7 and T1 spinous processes, base of spine of scapula

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

Rhomboid Major Origins

A

T2-5 spinous processes, below base of scapula dorsally

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

Rhomboids Actions

A

retraction of scapula - PUSH UPS

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

Levator Scapulae Action

A

elevates scapula, tilts glenoid cavity down

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

Levator Scapulae Origin

A

posterior tubercles of transverse processes of C1-4

18
Q

Lavetor Scapulae Insertion

A

medial border of scapula (superior angle)

19
Q

Lavetor Scapulae Innervation

A

dorsal scapular nerve

20
Q

Serratus Posterior Superior Origin

A

attached to nuchal ligament, C7-T1 spines and superior borders of ribs 2-4

21
Q

Serratus Posterior Inferior Origin

A

spinous processes of T11 - L3 and inferior borders of ribs 8/9-12

22
Q

Serratus form what layer?

A

form the deepest layer of the extrinsic muscles of the back

23
Q

Serratus Function

A

Inspiratory in function

24
Q

Serratus Innervation

A

intercostal nerves

25
Q

Serratus Vessels

A

intercostal arteries

26
Q

Intrinsic Muscles Layer 1

A

Spinotransversalis (Splenius Group)

Splenius capitis/cervicis

27
Q

Intrinsic Muscles Layer 2

A

Erector spinae group or sacrospinalis

Spinalis, Longissimus, Iliocostalis

28
Q

Intrinsic Muscles Layer 3 Name

A

transversospinalis group

29
Q

Intrinsic Muscles Layer 3

A

Semispinalis capitis/cervicis, rotatores, multifidus

30
Q

Intrinsic Muscles Layer 4 Name

A

ILI Group

31
Q

Intrinsic Muscles Layer 4

A

Interspinales cervicis, intertransversarii cervicis, levatores costorum, interspinales lumborum, intertransversarii lumborum

32
Q

Suboccipital Muscles

A

rectus capitis posterior minor/major, obliquus capitis superior/inferior

COVERED BY THE SEMISPINALIS CAPIITIS

33
Q

Suboccipital Nerves

A

Dorsal primary rami of C1 and C2

34
Q

Suboccipital Arteries

A

occipital and vertebral arteries

35
Q

What are all the intrinsic back muscles innervate by?

A

posterior rami of the spinal nerves

36
Q

The superficial back muscles (extrinsic) are innervated by what primary rami?

A

ventral primary rami

37
Q

The deep back muscles are innervated by what collectively?

A

dorsal primary rami

38
Q

What is housed in the suboccipital triangle?

A

suboccipital nerve and vertebral artery

39
Q

What are the borders of the suboccipital triangle?

A

obliquus capitis inferior, obliquus capitis superior, and rectus capitis posterior major

40
Q

Trapezius Innervation

A

Spinal accessory nerve CN XI