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Anatomy > Pelvis & Pelvic Viscera > Flashcards

Pelvis & Pelvic Viscera Flashcards

1
Q

branch of lumbar plexus that supplies the hip flexors and extensors of knee

A

femoral nerve

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2
Q

branch of lumbar plexus that supplies the adductors of the thigh

A

obturator nerve

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3
Q

branch of lumbar plexus that divides into genital and femoral branches

A

genitofemoral nerve

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4
Q

branch of lumbar plexus that supplies skin to suprapubic and inguinal regions + motor supply to abdominals

A

ilioinguinal and iliohypogastric nerves

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5
Q

provides cutaneous nerve supply to anterior and lateral thigh

A

lateral femoral cutaneous nerve

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6
Q

makes up the floor of the pelvis

A

levator ani + coccygeus

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7
Q

what forms the bony pelvis

A

right hip bone
left hip bone
sacrum
coccyx

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8
Q

location of true pelvis (pelvic minor)

A

between pelvic inlet and pelvic outlet

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9
Q

location of pelvic viscera

A

true pelvis

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10
Q

pelvic viscera

A 
urinary bladder
reproductive organs (uterus, ovaries)
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11
Q

separates false pelvis from true pelvis

A

pelvic inlet

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12
Q

3 parts of a hip bone

A

ilium
ischium
pubis

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13
Q

formed by junction of 3 hip bones

A

acetabulum

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14
Q

formed by rami of pubis and ischium

A

obturator foramen

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15
Q

where do obturator nerve and vessels pass through the pelvis

A

obturator foramen

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16
Q 
male or female pelvis?
shallow false pelvis
oval pelvic inlet
wide, shallow true pelvis
wide, rounded pubic arch
oval or triangular obturator foramen
A

female

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17
Q 
male or female pelvis?
deep false pelvis
heart-shaped pelvic inlet
narrow, tall true pelvis
narrow pubic arch
round obturator foramen
A

male

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18
Q

plane of the pelvic inlet forms a ___ degree angle from the horizontal plane

A

60

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19
Q

plane of pelvic outlet is _____ degrees with horizontal

A

10

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20
Q

articulation of L5 and S1 vertebrae

A

lumbosacral joint

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21
Q

connects ilia and L5 vertebrae transverse process

A

iliolumbar ligament

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22
Q

bony components of sacroiliac joints

A

iliac bone and sacrum

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23
Q

movement of SI joint

A

slight gliding and rotation

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24
Q

what type of joint is the pubic symphysis

A

fibrocartilaginous

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25
Q

ligament that connects superior pubic bodies and R/L pubic tubercles

A

superior pubic ligament

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26
Q

muscle of the lateral pelvic wall

A

obturator internus

27
Q

attachments of the obturator internus

A

proximal: ischium, ilium, obturator membrane
distal: greater trochanter

28
Q

what nerve innervates the obturator internus

A

nerve to obturator internus

29
Q

action of obturator internus

A

external rotation of femur

stabilize head of femur

30
Q

parts of the posterior pelvic wall

A

sacrum
coccyx
adjacent parts of ilia
SI joints and their ligaments

31
Q

muscle of the posterior pelvic wall

A

piriformis

32
Q

attachments of piriformis

A

proximal: pelvic surface of 2nd and 4th sacral segments, greater sciatic notch, sacrotuberous ligament
distal: greater trochanter

33
Q

innervation of piriformis

A

ventral rami of S1-2

34
Q

action of piriformis

A

external rotation, abduction of femur, stabilize head of femur

35
Q

muscle that is a myofascial trigger point and potential site for entrapment of sciatic nerve

A

piriformis

36
Q

muscles of pelvic diaphragm

A 
levator ani (3 muscles)
coccygeus
37
Q

function of levator ani

A

support pelvic viscera
resist intraabdominal pressure
plays a role in continence

38
Q

attachments of coccygeus

A

ischial spine to coccyx and lower sacrum

39
Q

forms lumbar plexus

A

ventral primary rami of L1-L4

40
Q

roots of lumbar plexus split into anterior and posterior divisions within what muscle

A

psoas major

41
Q

terminal branches of the lumbar plexus

A 
femoral nerve
obturator nerve
genitofemoral nerve
ilioinguinal and iliohypogastric nerves
lateral femoral cutaneous nerve
branch to lumbosacral trunk
42
Q

nerve that supplies hip flexors and extensors of knee

A

femoral nerve

43
Q

position of femoral nerve in relation to blood vessels as it enters the thigh deep to inguinal ligament

A

lateral

NAVEL

44
Q

nerve that supplies adductors of the thigh

A

obturator

45
Q

nerve that supplies skin to suprapubic and inguinal regions + motor supply to abdominals

A

ilioinguinal and iliohypogastric nerves

46
Q

nerve that provides cutaneous supply to anterior and lateral thigh

A

lateral femoral cutaneous nerve

47
Q

function of lumbosacral trunk

A

contributes to formation of sacral plexus

48
Q

what forms the sacral plexus

A

lumbosacral trunk (L4-L5) and ventral primary rami of S1-S4

49
Q

supplies musculature and skin of buttocks, posterior compartment of thigh, and entire leg and foot below the knee

A

sacral plexus

50
Q

motor supply to gluteus minimus and medius, tensor of fascia lata

A

superior gluteal nerve

51
Q

motor supply to gluteus maximus

A

inferior gluteal nerve

52
Q

major nerve of perineum

A

pudendal nerve

53
Q

posterior division branches of sacral plexus

A

superior gluteal nerve

inferior gluteal nerve

54
Q

anterior division branches of sacral plexus

A

pudendal nerve

55
Q

branches from both anterior and superior divisions of sacral plexus

A

sciatic nerve

56
Q

supplies muscles of perineum, skin of perineum region, and external genitalia

A

pudendal nerve

57
Q

2 nerves that make up sciatic nerve

A

common fibular nerve

tibial nerve

58
Q

branches of external iliac artery

A

inferior epigastric

deep circumflex

59
Q

where does the external iliac artery exit the pelvis

A

passes through false pelvis only

exits deep to inguinal ligament and becomes femoral artery

60
Q

posterior division of internal iliac artery

A

superior gluteal artery

61
Q

anterior division branches of internal iliac artery

A 
internal pudendal artery
obturator artery
inferior gluteal artery
ovarian artery
testicular artery
62
Q

drains most of pelvis into IVC

A

internal iliac vein

63
Q

artery that supplies piriformis, 3 gluteal muscles, and tensor fascia lata

A

superior gluteal artery

Anatomy (9 decks)

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