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anatomy > muscles of trunk neck head > Flashcards

muscles of trunk neck head Flashcards

1
Q

diaphragm

A
  • the lumbar vertebrae
  • bodies and intervening discs
    L1 – L3
  • inner surface of the lower six ribs and their costal cartilages
  • posterior surface of the xiphoid process of the sternum
    to
  • centeral tendon
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2
Q

external intercostal muscles

A

lower border of rib above
to
upper border of rib below

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3
Q

internal intercostal muscles

A

costal groove of rib above
to
upper border of the rib below

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4
Q

levator costarum

A

transverse processes of vertebrae C7 to T11
to
upper border of the rib below

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5
Q

subcostals

A

internal surface ribs near angles
to
superior border ribs 2 or 3 below

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6
Q

rectus abdominus

A

xiphoid process of sternum, costal cartilages of ribs 5, 6, and 7
to
pubic crest and pubic symphysis

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7
Q

external oblique

A

outer border lower 8 ribs and costal cartilages
to
iliac crest, linea alba

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8
Q

internal oblique

A

lower border lower 4 ribs and costal cartilages
to
iliac crest, linea alba
thoracolumbar fascia, inguinal ligament

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9
Q

transverse abdominus

A

inner surface of the costal cartilages of the lower 6 ribs
to
iliac crest, thoracolumbar fascia, inguinal ligament, linea alba

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10
Q

pyramidalis

A

pubic crest
to
linea alba
F: tenses the linea alba

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11
Q

quadratus lumborum

A
  • medial half lower border rib 12
  • of L1-L5
    to
  • iliac crest and adjacent iliolumbar ligament
  • F: bilaterally- trunk extension, unilaterally- lat. flexion
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12
Q

psoas major

A

bodies and IV discs, and TP of T12 – L5
to
lesser trochanter of femur with iliacus
F: bilaterally- trunk flexion, unilaterally- trunk lat. flexion

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13
Q

psoas minor

A

bodies and IV disc T12 and L1
to
iliopubic eminence
iliac fascia
F: weak trunk flexor

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14
Q

iliacus

A

iliac fossa
to
lesser trochanter of femur with psoas major
F: trunk flexion

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15
Q

serratus posterior superior

A

spinous processes C7 to T3
to
angels of ribs 2 - 5
F: inspiration, rib elevation

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16
Q

serratus posterior inferior

A

spinous processes T11 to L2
to
angles ribs 9 - 12
F: expiration, rib depression

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17
Q

erector spinae

A

(common origin)
- spinous processes & supraspinous ligaments T11 to L5
- transverse processes of lumbar vertebrae
- median sacral crest
- iliac crest

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18
Q

iliocostalis lumborum

A

from common origin
to
attaches to angles of lower ribs
F: bil- trunk extension, uni- lateral trunk flexion (lat region)

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19
Q

Iliocostalis thoracis

A

angles of lower ribs
to
angles of upper ribs
F: bil- trunk extension, uni- trunk Lat flexion

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20
Q

Iliocostalis cervicis

A

angles of upper ribs
to
transverse processes of lower cervical vertebrae
F: bil- trunk & neck extension, uni- trunk & neck lat flexion

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21
Q

longissimus thoracis

A

from common origin
to
TP thoracic vertebrae & adjacent rib
F: Bil- trunk, extension, uni- weak trunk lat flexion

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22
Q

longissimus cervicis

A

TP upper thoracic vertebrae
to
TP mid cervical vertebrae
F: Bil- trunk, neck extension, uni- weak trunk neck lat flexion

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23
Q

longissimus capitis

A

TP upper thoracic & mid cervical vertebrae
to
base of skull (mastoid process of the temporal bone)
F: Bil- neck, head extension, uni- weak head neck lat flexion

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24
Q

spinalis thoracis

A

SP low thoracic & upper lumbar vertebrae
to
SP upper thoracic vertebrae
F: Bil- trunk, extension, uni- trunk lat flexion

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25
Q

spinalis cervicis

A

SP upper thoracic vertebrae
to
SP cervical vertebrae
F: Bil- trunk, neck extension, uni- weak trunk neck lat flexion

26
Q

spinalis capitis

A

medial portion of semispinalis capitis
F: Bil- neck, head extension, uni- weak head neck lat flexion

27
Q

semispinalis thoracis

A

low thoracic TP
to
low cervical & upper thoracic SP (5-7 levels above)
F: bil- trunk & neck extension, uni- trunk neck contralateral rotation

28
Q

semispsinales cervicis

A

upper thoracic TP
to
mid cervical SP (5-7 levels above)
F: bil- trunk, head & neck extension, uni- trunk head neck contralateral rotation

29
Q

semispinalis capitis

A

upper thoracic & low cervical TP
to
skull (jumping 5-7 levels)
F: bil- head & neck extension, uni- head neck contralateral rotation

30
Q

multifidus

A

TP -> SP (2-5 levels above)
F: bil- trunk, neck extension, uni- trunk neck lat flex & contralateral rot & stability

31
Q

rotatores

A

TP -> SP (1-2 levels above)
F: bil- trunk, neck extension, uni- trunk neck lat flex & contralateral rot & stability

32
Q

intertranversarii

A

TP
F: stability & trunk lat flex

33
Q

interspinales

A

SP
F: stability, trunk extension

34
Q

sternocleidomastoid

A

mastoid process of the temporal bone, superior nuchal line
to
sternal head: anterior surface of the manubrium
clavicular head: medial 1/3 of the clavicle
F: bil- head and neck flex, uni- head neck lat flex, rotate head and neck

35
Q

platysma

A

skin and subcutaneous tissue of the upper thorax and shoulder
to
mandible and fascia of lower face

36
Q

longus colli

A

upper thoracic vertebrae
bodies to TP, TP to bodies, bodies to bodies
to
upper cervical vertebrae
F: bil- neck flex

37
Q

longus capitis

A

upper cervical TP
to
anterior base of skull
F: bil: head neck flex

38
Q

scalenius anterior

A

TP of C3-6
to
rib 1
F: B- neck flexion U- neck lat flexion

39
Q

scalenius medius

A

TP of C1-7
to
rib 1
F: U- lat flexion neck

40
Q

scalenius posterior

A

TP of C4-6
to
rib 2
F: U- lat flexion neck

41
Q

rectus capitis lateralis

A

TP of C1
to
jugular process of the occipital bone
F: U- lat flexion head

42
Q

levator scapulae

A

transverse processes of C1-C3 vertebrae
to
medial border of scapula between superior angle and base of spine
F: B- neck extension, U- neck lat flexion

43
Q

trapezius

A
  • external occipital protuberance of skull
  • superior nuchal line of skull
  • acromion of scapula
  • ligamentum nuchae
    of C7-T1
    to
  • lateral 1/3 clavicle
  • acromion process
  • medial end of spine of scapula
  • F: B- head and neck ext, U- head neck lat flexion
44
Q

splenius cervicis

A

SPof C3-6
to
TP of C1-4
F: neck ext lat flex rotation

45
Q

splenius capitis

A

SP of C7-T4 and ligamentum nuchae
to
mastoid process
superior nuchal line
F: B- head neck extension U- head neck lat flexion rotate head and neeck

46
Q

rectus capitis posterior major

A

C2 SP (axis)
to
lateral part of inferior nuchal line
F: extends head and neck, stabiliser.

47
Q

superior oblique

A

TP of C1 (atlas)
to
skull between superior & inferior nuchal lines
F: extend head neck, stabilser

48
Q

rectus capitis posterior minor

A

C1 posterior arch/tubercle (atlas)
to
medial part of inferior nuchal line
F: extend head neck, stabilser

48
Q

temporalis

A

temporal bone
to
coronoid process of mandible
F:

49
Q

inferior oblique

A

SP C2 (axis)
to
TP C1 (atlas)
stabilser

50
Q

masseter

A

maxilla and zygomatic bone
to
lateral surface angle and ramus of mandible

51
Q

lateral pterygoid

A

sphenoid bone
to
neck of mandible

52
Q

medial pterygoid

A

sphenoid bone
to
medial surface angle of mandible

53
Q

digastric

A

mastoid process of temporal bone
lower border of mandible
to
hyoid

54
Q

stylohyoid

A

styloid process of temporal bone
to
posterior edge of hyoid

55
Q

geniohyoid

A

posterior surface of anterior mandible
to
body of hyoid

56
Q

mylohyoid

A

medial surface of body of mandible
to
midline raphe

57
Q

thyrohyoid

A

thyroid cartilage of larynx
to
body of hyoid

58
Q

sternohyoid

A

posterior surface of manubrium of sternum
to
body of hyoid

59
Q

sternothyroid

A

posterior surface of manubrium of sternum
to
oblique line of thyroid cartilage

60
Q

omohyoid

A

suprascapular notch of scapula
to
body of hyoid

anatomy (24 decks)

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