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Extremities (2) > Unit 3- Neurovascular Structures Of The Thigh > Flashcards

Unit 3- Neurovascular Structures Of The Thigh Flashcards

1
Q

Femoral nerve roots

A

L2-4

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2
Q

Largest branch of the lumbar plexus

A

Femoral nerve

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3
Q

Femoral nerve forms in the:

It passes beneath the:

A

Psoas muscle in the abdomen

Mid part of the inguinal canal

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4
Q

What happens to the femoral nerve in the femoral triangle

A

It divides into terminal branches to the anterior thigh muscles

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5
Q

Femoral nerve sends articular branches to the:

A

Hip and knee joints

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6
Q

Distal extension of the femoral nerve

A

Saphenous nerve

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7
Q

Saphenous nerve passes though

A

The adductor canal with the femoral artery and vein

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8
Q

Saphenous nerve is proximal to the

A

Adductor hiatus- it passes between the sartorius and gracilis

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9
Q

Saphenous nerve supplies

A

Sensory innervation to the anterior-medial aspect of the knee and foot

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10
Q

Obturator nerve roots

A

L2-4

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11
Q

Obturator nerve passes on the:

A

Medial border of the psoas and enters the obturator foramen

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12
Q

Where does the obturator nerve split into ant and post branches?

A

Adductor brevis in between

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13
Q

Anterior branch of the obturator nerve supplies

A

Adductor longus
Adductor brevis
Gracilis
Pectineus

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14
Q

Post branch of the obturator nerve innervates

A

Obturator externus

Adductor magnus

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15
Q

An extension of the external iliac artery beyond the inguinal ligament

A

Femoral artery

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16
Q

Distal to the inguinal ligament, the femoral artery produces:

A

Superficial epigastric artery
Superficial (& sometimes deep) circumflex iliac artery
Superficial and deep external pudendal arteries

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17
Q

Pathway of the femoral artery

A

Descends on adjacent border of iliopsoas and Pectineus (floor of the femoral triangle)
Bisects the femoral triangle - enters the adductor canal deep to sartorius at the apex

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18
Q

After passing through the _____ ____, the femoral artery becomes the:

A

Adductor hiatus

Popliteal artery

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19
Q

Branches of the femoral artery

A

Superficial circumflex iliac artery

Superficial epigastric artery

Deep artery of thigh (deep femoral)

Lateral circumflex femoral art

Obturator art

Medial circumflex femoral art

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20
Q

Perforating arteries come off of:

They supply what compartment?

A

Medial circumflex of femoral art

Medial compartment

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21
Q

Deep femoral (profunda femoris) arises where?

A

Femoral triangle

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22
Q

Profunda femoris- perforating branches pass:

A

Posterior to the femus to the adductor magnus,
Hamstrings,
And vastus lateralis (all 3 compartments of the thigh)

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23
Q

Circumflex branches arise from:

A

femoral artery and encircle the femur and anastomose

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24
Q

Circumflex branches are at risk in:

A

Femoral next fractures and dislocations

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25
Q

Lateral branch of the femoral artery supplies

A

Muscles lateral to the hip

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26
Q

Medial branch of the femoral artery supplies

A

Head and neck of the femur as posterior retinacular arteries

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27
Q

Obturator artery usually arises from

A

Internal iliac artery

~20% of people have an enlarges pubic branch of the inf epigastric art, which will replace the obturator art

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28
Q

Obturator art supplies the

A

Obturator externus
Pectineus
Adductors
Gracilis

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29
Q

Pathway of obturator art

A

Enters the medial compartment of the thigh through obturator foramen (canal)

To splits into and and post branches in the medial thigh- surrounding the adductor brevis

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30
Q

The post branch of the obturator art supplies the

A

Femoral head (acetabulum branch)

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31
Q

The femoral vein is a continuation of the:

A

Popliteal veins ascending in the adductor canal

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32
Q

The femoral vein runs ______ to the femoral artery

A

Posterior

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33
Q

Where does the femoral vein enter the femoral sheath?

A

Lateral to the adductor canal

34
Q

The femoral vein becomes the:

Where?

A

External iliac vein

At the inguinal ligament

35
Q

What forms the deep vein of the thigh?

Where?

A

The union of the deep perforating veins joining the femoral vein

Inferior to the inguinal ligament

36
Q

What and where does to great saphenous vein join to?

A

Distal to the inguinal ligament

37
Q

Sensory nerves of the gluteal region

A

Counsel nerves

38
Q

Superior nerves are cutaneous branches of:

A

Posterior rami of L1-L3

39
Q

Pathway of superior cluneal nerves

A

Runs inferolaterally across the iliac crest

40
Q

Sup cluneal nerves supply the:

A

Superior buttock as far as the tubercle of the iliac crest

41
Q

Pathway of the middle cluneal nerves

A

cutaneous branches of post rami of S1-3

Exit through the post sacral foramen, sacrum adjacent to buttock

42
Q

Pathway of the inf clunael nerves

A

Cutaneous branches of post rami of S2-3
exit inf border of the glut maximus
ascends inf buttock as for as the greater trochanter

43
Q

What are the deep gluteal nerves branches of?

A

sacral plexus

44
Q

Where do the deep gluteal nerves exit?

A

via the greater sciatic foramen

45
Q

All deep gluteal nerves emerge where?

A

inferior to the piriformis except of the sup gluteal nerve

46
Q

Superior gluteal nerve comes from post divisions of the anterior rami of:

A

L4-L5

47
Q

Inferior gluteal nerve has post division of the anterior rami of:

A

L5-S2

48
Q

Where does the superor gluteal nerve enter?

A

the gluteal region via the greater sciatic foramen, superior to the piriformis

49
Q

Where does the inf gluteal nerve enter?

A

The gluteal region via the greater sciatic foramen, INFERIOR to the piriformis and deep to the inf gluteus max

50
Q

The superior gluteal nerve runs between what?

A

the glut medius and max with the deep branch of the sup gluteal art

51
Q

THe inf gluteal nerve runs superficial to:

A

the sciatic nerve accompanied by branches of the inf gluteal art

52
Q

The inf gluteal nerve splits into:

A

several muscular branches

53
Q

What does the superior glut nerve innervate?

A

Gluteus medius

Gluteus min

Tensor of the fascia lata

54
Q

What does the inf glut nerve innervate?

A

glut maximus

55
Q

What is the sciatic nerve formed by?

A

anterior and posterior divisions of L4-S3

56
Q

What is the largest nerve in the body

A

Sciatic nerve

57
Q

Where do the rami converge to form the sciatic nerve?

A

at the inf border of the piriformis

58
Q

what runs medial to the sciatic nerve?

A

Inf gluteal nerve, art, and vein

and the internal pudendal vessels and pudendal nerve

59
Q

Where does the sciatic nerve pass?

A

beneath the gluteus max, midway between the greater trochanter and ischial tuberosity resting on the ischium

60
Q

Arterial supply to the sciatic nerve

A

Artery to the Sciatic Nerve

61
Q

(T/F) The sciatic nerve supplies part of the gluteal region

A

False

62
Q

What does the sciatic nerve supply via the tibial section?

A

Post thigh muscles (except short head of the biceps femoris)

63
Q

The sciatic nerve continues ______ to supply

A

distally

all the leg and foot muscles and sensation to MOST of the leg and foot

64
Q

What branches of the sciatic nerve share a common sheath that splits in the superior popliteal fossa?

A

Tibial and common fibular branches

65
Q

The internal iliac iliac artery branches supply the gluteal region via the:

A

superior gluteal artert

inferior gluteal artery

internal pudendal artery

66
Q

The superior gluteal artery exits the pelvis via the:

(SUP/INF) to the piriformis

A

greater sciatic foramen

sup to the piriformis

67
Q

After passing through the greater sciatic notch, the supt gluteal artery immediately divides into:

A

superfical and deep branches

68
Q

The superficial branch of the sup glut art supplies what muscles

A

gluteus max

subcutaneous tissue

69
Q

The deep branch of the sup glut art supplies what muscles

A

glut medius
glut minimus
tensor of the fascia lata

70
Q

The internal pudendal artery arises from the:

it lies:

A

internal iliac art

ant to the inferior gluteal art

71
Q

What does the internal pudendal arter run parallel to?

A

the pudendal nerve entering the gluteal region via the greater sciatic foramen inf to the piriformis

72
Q

the internal pudendal art crosses the __________ ligament and enters the perineum via the:

A

ischial spine/sacrospinous ligament

lesser sciatic foramen

73
Q

the internal pudendal art supplies:

A

skin of the external genitalia and perineal muscles

74
Q

branches of the internal iliac artery

A

lateral sacral

sup gluteal

inf gluteal

internal pudendal

middle rectal

Uterine (F) or Art to ductus deferens (M)

Vaginal (F) or inf vescical (M)

Obturator A

Superior vesical

Obliterated umbilical

75
Q

4 perforating arteries come from the

A

profunda femoris

76
Q

the perforating arteries perforate what?

A

the aponeurotic portion of the distal attachment o fthe adductor magnus to enter the post compartment

77
Q

What do the perforating arteries supply in the post compartment?

A

Hamstring muscles and anasomotic branches to the inf gluteal and popliteal arteries

78
Q

Perforators transverse the post compartment to pierce the ______ _____ _____ to enter the ant compartment to supply the:

A

Lateral intermuscular septum

Vastus lateralis

79
Q

Gluteal veins are tributaries of the:

A

internal iliac veins

80
Q

Superior and inf gluteal veins accompany art through the:

A

greater sciatic foreamen sup AND inf to the piriformis muscle

81
Q

Internal pudendal veins accompany the ______ arteries and drain into the:

A

internal

internal iliac vein

82
Q

Lymphatic drainage follows the _____ _____ to the _______ _____ ___ ___

These drain to the:

These drain to the:

A

gluteal vessels

inf and sup gluteal nodes

common iliac nodes

peri-aortic nodes

Extremities (2) (28 decks)

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