Lecture: Thigh I/II - Butaric

Question 1

pelvic girdle

Answer 1

os coxa and sacrum

Question 2

what side of the femur is the linea aspera on?

Answer 2

posterior

Question 3

medial lip of the linea aspera leads proximally to …

Answer 3

pectineal line and spiral line

Question 4

the lateral lip of linea aspera leads proximally to …

Answer 4

gluteal tuberosity

Question 5

demarcates boundary between tibia articular surface and patellar articular surfaces

Answer 5

medial and lateral sulcus meniscus

Question 6

largest sesamoid bone

Answer 6

patella (froms within quadriceps femoris tendon)

Question 7

lateral v. medial facet of the patella

Answer 7

medial - more shallow

lateral - larger and deeper

Question 8

femur ossification

Answer 8

1 primary center (shaft)

4 secondary centers

Question 9

femoral head present, but no greater trochanter

Answer 9

1-4 years

Question 10

greater trochanter apparent, but open triradiate suture and no lesser trochanter

Answer 10

4-14 yrs

Question 11

superficial fatty subcutaneous fascia

Answer 11

camper’s fascia

Question 12

deep membranous subcutaneous fascia

Answer 12

scarpa’s fascia

Question 13

investing fascia of thigh

Answer 13

fascia lata

- thickened laterally (IT band), thin medially

Question 14

oval shaped opening in deep fascia, allows for passage of great saphenous v

Answer 14

saphenous hiatus (fossa ovalis)

Question 15

innervation quadriceps fermoris

Answer 15

femoral nerve

Question 16

only quad to flex the thigh

Answer 16

rectus femoris

Question 17

non-quad anterior thigh muscles

Answer 17

• iliopsoas
• sartorius
• articularis genu

Question 18

helps you sit cross legged

Answer 18

sartorius

Question 19

makes sure synovial membrane of the knee doesn’t get caught with flexion or extension

Answer 19

articularis genu

Question 20

forms the medial border of femoral triangle

Answer 20

adductor longus

Question 21

which neurovasculature structure is not part of the femoral sheath?

Answer 21

femoral n.

Question 22

intermuscular tunnel for femoral neurovasculature

Answer 22

adductor (subsartorial) canal

Question 23

the short head of biceps femoris is grouped with but technically not a hamstring. why not?

Answer 23

doens’t extend the thigh, different innervation, different attachment

Question 24

lumbar plexus levels

Answer 24

L1-L4 ventral primary rami

all the plexuses are ventral primary rami not dorsal (just goes to the back)

Question 25

posterior divisions of lumbar plexus

Answer 25

lateral femoral cutaneous n. femoral n. ** typically extensors and abductors

Question 26

anterior division of lumbar plexus

Answer 26

ilioinguinal and iliohypogastric n genital femoral n. obturator n lumbosacral trunk n. *** typically flexors, adductors

Question 27

root ilioinguinal and iliohypogastric n.

Answer 27

L1

Question 28

root genital femoral n.

Answer 28

L1-2

Question 29

root lateral femoral cutaneous n.

Answer 29

L2-3

Question 30

root femoral n.

Answer 30

L2-4

Question 31

root obturator n.

Answer 31

L2-4

Question 32

root lumbosacral trunk

Answer 32

L4-5

Question 33

tingling, numbness, or burning in lateral thigh

Answer 33

entrapment of lateral femoral cutaneous n.

Question 34

sacral plexus roots

Answer 34

(L4) L5-S4

Question 35

tibial n root

Answer 35

L4-S3

Question 36

where does the tibial n. come from

Answer 36

tibial n. L4-S# anterior division of sacral plexus

Question 37

where does the common peroneal n. come from

Answer 37

L4-S2 | posterior division of sacral plexus

Question 38

lumbosacral trunk root

Answer 38

L4,L5

Question 39

superior gluteal n. root

Answer 39

L4,5 S1

Question 40

inferior gluteal n. root

Answer 40

L5 S1,2

Question 41

posterior femoral cutaneus n. root

Answer 41

S1-S3 | ** mixed anterior and posterior

Question 42

sciatic n. root

Answer 42

L4-S3

Question 43

pudendal n. root

Answer 43

S2-S4

Question 44

anterior v. posterior branch of obturator n.

Answer 44

posterior - muscular | anterior - muscular and cutaneous

Question 45

posterior v. anterior divsions of plexuses general rules

Answer 45

posterior: typically extensors, abductors, everters anterior: typically flexors, adductors, inverters

Question 46

motor to short head biceps femoris

Answer 46

common peroneal n.

Question 47

where is the inferior cluneal branch? ***

Answer 47

- comes off the posterior femoral cutaneous n. - supplies sensory to transverse gluteal line - the other cluneal nerves come from dorsal primary rami (inferior comes from ventral)

Question 48

cruciate blood supply to hip joint

Answer 48

superior: inferior gluteal medial: medial femoral circumflex lateral: lateral femoral circumflex inferior: 1st perforating a. all but superior come from profunda femoris, form a cross-shaped anastomosis

Question 49

main blood supply to femoral head

Answer 49

medial femoral circumflex

Question 50

which genicular a. goes into the knee joint?

Answer 50

middle genicular a.