Pelvis & Pelvic Viscera

Question 1

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

Answer 1

femoral nerve

Question 2

branch of lumbar plexus that supplies the adductors of the thigh

Answer 2

obturator nerve

Question 3

branch of lumbar plexus that divides into genital and femoral branches

Answer 3

genitofemoral nerve

Question 4

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

Answer 4

ilioinguinal and iliohypogastric nerves

Question 5

provides cutaneous nerve supply to anterior and lateral thigh

Answer 5

lateral femoral cutaneous nerve

Question 6

makes up the floor of the pelvis

Answer 6

levator ani + coccygeus

Question 7

what forms the bony pelvis

Answer 7

right hip bone
left hip bone
sacrum
coccyx

Question 8

location of true pelvis (pelvic minor)

Answer 8

between pelvic inlet and pelvic outlet

Question 9

location of pelvic viscera

Answer 9

true pelvis

Question 10

pelvic viscera

Answer 10

urinary bladder
reproductive organs (uterus, ovaries)

Question 11

separates false pelvis from true pelvis

Answer 11

pelvic inlet

Question 12

3 parts of a hip bone

Answer 12

ilium
ischium
pubis

Question 13

formed by junction of 3 hip bones

Answer 13

acetabulum

Question 14

formed by rami of pubis and ischium

Answer 14

obturator foramen

Question 15

where do obturator nerve and vessels pass through the pelvis

Answer 15

obturator foramen

Question 16

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

Answer 16

female

Question 17

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

Answer 17

male

Question 18

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

Answer 18

60

Question 19

plane of pelvic outlet is _____ degrees with horizontal

Answer 19

10

Question 20

articulation of L5 and S1 vertebrae

Answer 20

lumbosacral joint

Question 21

connects ilia and L5 vertebrae transverse process

Answer 21

iliolumbar ligament

Question 22

bony components of sacroiliac joints

Answer 22

iliac bone and sacrum

Question 23

movement of SI joint

Answer 23

slight gliding and rotation

Question 24

what type of joint is the pubic symphysis

Answer 24

fibrocartilaginous

Question 25

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

Answer 25

superior pubic ligament

Question 26

muscle of the lateral pelvic wall

Answer 26

obturator internus

Question 27

attachments of the obturator internus

Answer 27

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

Question 28

what nerve innervates the obturator internus

Answer 28

nerve to obturator internus

Question 29

action of obturator internus

Answer 29

external rotation of femur | stabilize head of femur

Question 30

parts of the posterior pelvic wall

Answer 30

sacrum coccyx adjacent parts of ilia SI joints and their ligaments

Question 31

muscle of the posterior pelvic wall

Answer 31

piriformis

Question 32

attachments of piriformis

Answer 32

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

Question 33

innervation of piriformis

Answer 33

ventral rami of S1-2

Question 34

action of piriformis

Answer 34

external rotation, abduction of femur, stabilize head of femur

Question 35

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

Answer 35

piriformis

Question 36

muscles of pelvic diaphragm

Answer 36

``` levator ani (3 muscles) coccygeus ```

Question 37

function of levator ani

Answer 37

support pelvic viscera resist intraabdominal pressure plays a role in continence

Question 38

attachments of coccygeus

Answer 38

ischial spine to coccyx and lower sacrum

Question 39

forms lumbar plexus

Answer 39

ventral primary rami of L1-L4

Question 40

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

Answer 40

psoas major

Question 41

terminal branches of the lumbar plexus

Answer 41

``` femoral nerve obturator nerve genitofemoral nerve ilioinguinal and iliohypogastric nerves lateral femoral cutaneous nerve branch to lumbosacral trunk ```

Question 42

nerve that supplies hip flexors and extensors of knee

Answer 42

femoral nerve

Question 43

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

Answer 43

lateral | NAVEL

Question 44

nerve that supplies adductors of the thigh

Answer 44

obturator

Question 45

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

Answer 45

ilioinguinal and iliohypogastric nerves

Question 46

nerve that provides cutaneous supply to anterior and lateral thigh

Answer 46

lateral femoral cutaneous nerve

Question 47

function of lumbosacral trunk

Answer 47

contributes to formation of sacral plexus

Question 48

what forms the sacral plexus

Answer 48

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

Question 49

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

Answer 49

sacral plexus

Question 50

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

Answer 50

superior gluteal nerve

Question 51

motor supply to gluteus maximus

Answer 51

inferior gluteal nerve

Question 52

major nerve of perineum

Answer 52

pudendal nerve

Question 53

posterior division branches of sacral plexus

Answer 53

superior gluteal nerve | inferior gluteal nerve

Question 54

anterior division branches of sacral plexus

Answer 54

pudendal nerve

Question 55

branches from both anterior and superior divisions of sacral plexus

Answer 55

sciatic nerve

Question 56

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

Answer 56

pudendal nerve

Question 57

2 nerves that make up sciatic nerve

Answer 57

common fibular nerve | tibial nerve

Question 58

branches of external iliac artery

Answer 58

inferior epigastric | deep circumflex

Question 59

where does the external iliac artery exit the pelvis

Answer 59

passes through false pelvis only | exits deep to inguinal ligament and becomes femoral artery

Question 60

posterior division of internal iliac artery

Answer 60

superior gluteal artery

Question 61

anterior division branches of internal iliac artery

Answer 61

``` internal pudendal artery obturator artery inferior gluteal artery ovarian artery testicular artery ```

Question 62

drains most of pelvis into IVC

Answer 62

internal iliac vein

Question 63

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

Answer 63

superior gluteal artery