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Anatomy > Back > Flashcards

Back Flashcards

1
Q

First layer of back muscles

A

Trapezius, Latissimus Dorsi

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2
Q

Second layer of back muscles

A

Levator scapula, R major, minor

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3
Q

Third layer of back muscles

A

Serratus post superior,

Serratus posterior inferior

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4
Q

Fourth layer of back muscles (deep):

A

splenius capitis

splenius cervicis

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5
Q

Fifth layer of back muscles (Deep)

A

iliocostalis
longissimus
spinalis

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6
Q

Sixth layer of back muscles (deep)

A

semispinalis
multifidus
rotatores

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7
Q

Serratus posterior superior attachments:

A

deep of rhomboids

spinous process of C7-T3

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8
Q

Serratus posterior superior action:

A

elevation of ribs, intercostal nerves

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9
Q

Serratus posterior inferior attachments:

A

deep to lats

spinous process of T11-L2

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10
Q

Serratus posterior inferior action:

A

depression of ribs

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11
Q

Splenius capitis attachments:

A

C7-T3

lateral occipital bone and mastoid process

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12
Q

Splenius capitis action:

A

extend and rotate

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13
Q

splenius cervicis attachments

A

spine of T3-T6

C1-C3

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14
Q

Splenius cervicis action:

A

extend and rotate to the same side

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15
Q

Splenius cervicis innervation

A

middle and lower cervical nerves

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16
Q

Splenius capitis innervation

A

middle and lower cervical nerces

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17
Q

Erector Spinae muscles

A
  1. Iliocostalis
  2. Longissimus
  3. Spinalis
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18
Q

Iliocostalis attachments:

A

sacrum, iliac crest and transverse processes of C4-C6

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19
Q

Iliocostalis innervation:

A

dorsal rami of spinal nerve

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20
Q

Iliocostalis action:

A

extension, ipsilateral rotation
fixed: elevation of pelvis
contralateral rotation

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21
Q

Longissimus attachment

A

sacrum, iliac crest, transverse processes of L1-T5

ribs and mastoid process

22
Q

Longissimus innervation

A

doral rami of spinal nerve

23
Q

Longissimus action

A

extension, ipsilateral rotation fixed: elevation of pelvis and contralateral rotation

24
Q

Spinalis attachments

A

spinous process of lower to higher and nuchal line

25
Q

Spinalis action

A

extension, ipilateral rotation

fixed: elevation of pelvis, contralateral rotation

26
Q

Semispinalis attachments:

A

transverse to spinous process and occipital bone

27
Q

Semispinal innervation

A

dorsal rami of corresponding spinal nerve

28
Q

Semispinal action

A

extension and contralateral rotation

29
Q

Mulifidus attachments

A

scarum, transverse process to spinous process (higher)

30
Q

Multifidus innervation

A

dorsal rami or corresponding nerves

31
Q

Multifidus action

A

extension, contralateral rotation

fixed: elevation of pelvis, ipsilateral rotation

32
Q

Rotatores attachment

A

transverse process to lamina 1-2 levels superiorly

33
Q

Small deep muscles

A

interspinous
intertransverse
levator costalis

34
Q

Rectus abdominis attachments

A

crest of pubis, costal cartilage of 5,6,7 ribs

35
Q

Multifidus action

A

contralateral rotation

36
Q

Rectus abdominus action

A

trunk flexion in supine position, compression

posterior tilt

37
Q

rectus abdominus innervation

A

7-12 intercostal nerve

38
Q

Internal oblique attachments

A

O: inguinal ligament, iliac crest
I: 1-12 ribs abdominl aponeurosis

39
Q

Muscles of abdomen

A 
serratus anterior
rectus abdomins
internal oblique
transverse abdominus (Deep)
40
Q

Internal oblique innveration

A

8-12 intercostal nerve

41
Q

Internal oblique action

A

flexion, lateral flexion, rotation to the same side

42
Q

External oblique muscle attachments:

A

O: lower 8 ribs
I: iliac crest and linea alba

43
Q

External oblique innervation

A

8-12 intercostal nerve

44
Q

External oblique action:

A

flexion, contralateral rotation

45
Q

Transverse abdominus attachment:

A

O: inguinal ligament last 6 ribs
I: abdominal aponeurosis

46
Q

Transverse abdominus innervation:

A

7-12 nerves

47
Q

Transverse abdominus action:

A

compression, stabilizes abdominal contents

48
Q

Quadratus lumborum attachment

A

O:iliac crest
I: 12th rib, transverse process of L2-L5

49
Q

Quadratus lumborum innveration:

A

12th thoracic and 1st lumbar

50
Q

Quadratus lumborum action

A

trunk bending to the side (extension)

lateral flexion

Anatomy (16 decks)

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