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GA Lab > Lab 6 > Flashcards

Lab 6 Flashcards

1
Q

Origin of External Intercostals

A

Inferior Margin of 1st 11 ribs

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2
Q

Insertion of External Intercostals

A

Superior margin of rib below

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3
Q

Action of External Intercostals

A

Elevates ribs during inspiration

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4
Q

Nerve Supply of External Intercostals

A

Intercostal Nerves

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5
Q

Blood Supply to External Intercostals

A

Ribs 1-2= supreme intercostal and thoracic arteries

Ribs 3-12= anterior intercostal, posterior intercostal and subcostal arteries.

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6
Q

Origin of Internal Intercostals

A

Inferior margin of 1st 11 ribs from cartilages to angles

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7
Q

Insertion of Internal intercostals

A

superior margin of ribs below

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8
Q

Action of internal intercostals

A

elevates ribs during inspiration

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9
Q

Nerve supply of internal intercostals

A

intercostal nerves

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10
Q

blood supply of internal intercostals

A

ribs 1-2=supreme intercostal and superior thoracic arteries

ribs 3-12= anterior intercostal, posterior intercostal, and subcostal arteries

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11
Q

origin of subcostals

A

posteriorly on internal surface of lower 6 ribs

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12
Q

insertion of subcostals

A

internal surface of 2nd and 3rd rib above

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13
Q

action of subcostals

A

depresses lower ribs

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14
Q

nerve supply of subcostals

A

intercostal nerves

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15
Q

blood supply of subcostals

A

posterior intercostal arteries

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16
Q

origin of transversus thoracis

A

internal surface of sternum and adjacent costal cartilages of ribs 3-6

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17
Q

insertion of transversus thoracis

A

internal surface of costal cartilage of ribs 2-6

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18
Q

action of transversus thoracis

A

depresses upper ribs

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19
Q

nerve supply of transversus thoracis

A

intercostal nerves

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20
Q

blood supply of transversus thoracis

A

anterior intercostal arteries

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21
Q

Origin of diaphragm

A

xiphoid process of sternum
lower 6 costal cartilages
first 3 lumbar vertebrae
medial and lateral arcuate ligaments

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22
Q

insertion of diaphragm

A

central tendon of the diaphragm

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23
Q

action of diaphragm

A

depresses central tendon to increase vertical dimension of thorax during inspiration

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24
Q

nerve supply of diaphragm

A

phrenic nerve

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25
Q

blood supply of diaphragm

A

superior phrenic artery

inferior phrenic artery

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26
Q

origin of rectus abdominus

A

public symphysis and crest

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27
Q

insertion of rectus abdominus

A

costal cartilages of ribs 5,6,7

xiphoid process

28
Q

action of rectus abdominus

A

flexes vertebral column

compresses abdomen

29
Q

nerve supply of rectus abdominus

A

intercostal nerves T7-T12

30
Q

blood supply of rectus abdominus

A

superior and inferior epigastric arteries

31
Q

origin of external abdominal oblique

A

lower 8 ribs

32
Q

insertion of external abdominal oblique

A

abdominal aponeurosis to linea alba
pubis
anterior iliac crest

33
Q

action of external abdominal oblique

A

bilateral- flexes vertebral column and compresses abdomen

unilateral- lateral flexion and contralateral rotation of vertebral column

34
Q

nerve supply external abdominal oblique

A

intercostal nerves T7-T12

iliohypogastric and ilioinguinal nerves

35
Q

blood supply of external abdominal oblique

A

lower posterior intercostal, subcostal, and deep circumflex iliac arteries

36
Q

origin of internal abdominal oblique

A

inguinal ligament
iliac crest
thoracolumbar aponeurosis

37
Q

insertion of internal abdominal oblique

A

costal cartilages of lower 4 ribs

abdominal aponeurosis to linea alba

38
Q

action of internal abdominal oblique

A

bilateral-flexes vertebral column and compresses abdomen

unilateral-lateral flexion and ipsilateral rotation of vertebral column

39
Q

nerve supply of internal abdominal oblique

A

intercostal nerves T8-T12

iliohypogastric and ilioinguinal nerves

40
Q

blood supply of internal abdominal oblique

A

lower posterior intercostal, subcostal and deep circumflex iliac arteries

41
Q

origin of transverus abdominus

A

inguinal ligament
iliac crest
thoracolumbar aponeurosis
costal cartilages of ribs 7-12

42
Q

insertion of transversus abdominus

A

abdominal aponeurosis to linea alba

pubis

43
Q

action of transversus abdominus

A

compresses abdomen

44
Q

nerve supply of transverus abdominus

A

intercostal nerves T7-T12

iliohypogastric and ilionguinal nerves

45
Q

blood supply of transversus abdominus

A

lower posterior intercostal, subcostal, and deep circumflex arteries

46
Q

origin of quadratus lumborum

A

iliac crest

47
Q

insertion of quadratus lumborum

A

12th rib

transverse processes L1-4

48
Q

action of quadratus lumborum

A

normal: lateral flexion of vertebral column

reverse- elevates hips

49
Q

nerves supply of quadratus lumborum

A

ventral rami T12-L4

50
Q

blood supply of quadratus lumborum

A

subcostal and lumbar arteries

51
Q

origin of iliacus

A

iliac fossa

52
Q

insertion of iliacus

A

lesser trochanter of femur

53
Q

action of iliacus

A

normal: flexion of hip
reverse: flexion of lumbar vertebral column

54
Q

nerve supply of iliacus

A

femoral nerve

55
Q

blood supply of iliacus

A

subcostal and lumbar arteries

56
Q

psoas major origin

A

T12-L5 vertebral bodies and disks

L1-L5 transverse processes

57
Q

insertion of psoas major

A

lesser trochanter of femur

58
Q

action of psoas major

A

normal- flexion of hip

reverse- flexion of lumbar vertebral column

59
Q

nerve supply of psoas major

A

L2,L3

60
Q

Blood supply of psoas major

A

subcostal and lumbar arteries

61
Q

origin of psoas minor

A

T12

62
Q

insertion of psoas minor

A

superior ramus of pubis

63
Q

action of psoas minor

A

flexion of lumbar vertebral column

64
Q

nerve supply of psoas minor

A

L1

65
Q

blood supply of psoas minor

A

subcostal and lumbar arteries

GA Lab (5 decks)

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