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AD ABOS PART ONE > Anatomy LE > Flashcards

Anatomy LE Flashcards

1
Q

Question

A

Answer

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2
Q

this is the only muscle innervated by the peroneal division of the sciatic nerve above the fibular neck

A

the short head of the biceps femoris

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3
Q

why is the innervation of the biceps femoris interesting

A

this is the only muscle innervated by the peroneal division of the sciatic nerve above the fibular neck

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4
Q

this is the most common neural injury during THA

A

peroneal division of the sciatic nerve

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5
Q

mnemonic for shermans hip exam

A

3, 5, 24, 24, 5, 45, 12

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6
Q

these two nerves exit the pelvis through the greater sciatic foramen and reenter through the lesser

A

pudendal nerve and the nerve to obturator internus

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7
Q

femoral nerve innervation

A

iliacus, psoas, sartorius, usually pectineus, and quad femoris (vastus lateralis, intermedius, medialis, and rectus femoris)

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8
Q

obturator nerve innervation

A

gracilis, 3 adductors (magnus, longus, and brevis)

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9
Q

inferior gluteal nerve innervation

A

gluteus maximus

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10
Q

sciatic nerve innervation

A

semi-T, semi-M, biceps femoris (long head is tibial division, short head is peroneal division) and part of adductor magnus

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11
Q

2 semis, 2 biceps, and half of adductor magnus

A

innervation of the sciatic nerve

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12
Q

tibial nerve innervation

A

gastroc, soleus, plantaris, tib post, FDL, FHL, medial and lateral plantar nerves

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13
Q

deep peroneal nerve innervation

A

Anterior tib, EDL, EHL, EDB, peroneus tertius

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14
Q

SPN innervation

A

peroneus longus and brevis

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15
Q

peroneus longus and brevis supplied by

A

SPN

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16
Q

gracilis, 3 adductors (magnus, longus, and brevis) supplied by

A

obturator

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17
Q

strongest portion of the hip joint capsule

A

iliofemoral ligament

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18
Q

internal rotation of the hip capsule is limited by this structure

A

ischiofemoral ligament

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19
Q

ischiofemoral ligament does this

A

limits internal rotation of the hip capsule

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20
Q

this is the division between the greater and lesser sciatic foramina

A

sacrospinous ligament

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21
Q

this is the inferior border of the lesser sciatic foramen

A

sacrotuberous ligament

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22
Q

the exit and spatial orientation of the sciatic nerve

A

as it comes out of the greater sciatic foramen, the sciatic nerve divides into a peroneal and tibial division, the latter of which is more medial. this is why peroneal is more commonly injured

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23
Q

where is the lumbar plexus found

A

the lumbar plexus is found on the anterior surface of the quadratus lumborum, deep to the psoas

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24
Q

where is the genitofemoral nerve found

A

the genitofemoral nerve pierces the psoas to lie on its anteromedial surface

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25
Q

where is the femoral nerve found, proximal to its exit under the inguinal ligament

A

femoral nerve is between the iliacus and the psoas

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26
Q

where is the LFCN found

A

LFCN lies on top of iliacus, exits underneath the inguinal ligament

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27
Q

femoral triangle

A

sartorius laterally, pectineus medially, and inguinal ligament. Floor is iliacus, psoas, pectineus, and adductor longus (I Pso Pec Add Long)

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28
Q

course of the saphenous nerve at the apex of the femoral triangle

A

saphenous nerve branches here and courses under sartorius

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29
Q

POPS IQ

A

pudendal, obturator internus, postfemoral cutaneous, sciatic, inferior gluteal, quadratus femoris.

30
Q

this part of the obturator nerve can be to blame for referred knee pain

A

the posterior division travels to the knee

31
Q

the corona mortis is a connection between

A

inferior epigastric branch of the external iliac and the obturator arteries

32
Q

this vessel supplies the gluteus maximus

A

inferior gluteal artery

33
Q

this vessel supplies the short external rotators

A

inferior gluteal art

34
Q

this vessel can be injured in the sciatic notch

A

superior gluteal art

35
Q

this vessel can be injured with anterior inferior screw placement

A

obturator art

36
Q

this vessel can be injured with anterior superior screw placement

A

external iliac art

37
Q

origin of the lateral and medial femoral circumflex arts

A

these come of the profunda femoris, after it splits off the femoral art

38
Q

Smith Pete

A

TFL (SGN) and sartorius (femoral) superficially, and the rectus and gluteus medius deep. Danger is LFCN and the ascending branch of the LFCA

39
Q

Watson Jones

A

TFL and medius (both SGN). Descending branch of LFCA

40
Q

Posterior hip approach

A

G Max (IGN) and G medius/TFL (SGN). Sciatic n, inferior G art, MFCA if quadratus divided

41
Q

medial hip approach

A

gracilis and adductor longus. Anterior division of obturator nerve, MFCA (between the adductor brevis and pectineus)

42
Q

muscles of the posterior thigh

A

2 semis, 2 biceps. Gracilis is an adductor.

43
Q

the two branches of the sciatic travel together here right before they split

A

you can find the sciatic divisions still together between the semiMEMBRANOSUS and the LONG biceps head as they enter the popliteal fossa and divide

44
Q

the relationship of the tibial nerve and popliteal vessel as they exit the pop fossa

A

the nerve is posterior to the artery

45
Q

the tethering structure of the distal pop fossa

A

the tibial nerve and pop art descend b/t the two heads of the gastroc

46
Q

this supplies the femoral head until age 4

A

posterior branch of the obturator artery

47
Q

contents of the posterolateral corner of the knee

A

arcuate lig, popliteus, posterolateral capsule, LCL, popliteofibular ligament, biceps femoris, fabellofibular lig, and IT band

48
Q

anterior lower leg contents

A

anterior tib, EHL, EDL, peroneus tertius. DPN, anterior tibial artery.

49
Q

lateral lower leg contents

A

peroneus brevis and longus. SPN

50
Q

deep posterior lower leg contents

A

FHL, FDL, Popliteus, Posterior tib. Tibial nerve, posterior tibial and peroneal arteries

51
Q

superficial posterior lower leg contents

A

gastroc, soleus, plantaris. No neurovasc structures

52
Q

this branch of the popliteal art supplies the menisci

A

the menisci are supplied by the medial and lateral geniculates

53
Q

this branch of the popliteal art supplies the cruciate ligaments

A

the cruciate ligaments are supplied by the middle geniculate art

54
Q

this can be injured during a lateral release

A

the superior lateral geniculate art can be injured during a lateral release

55
Q

order of insertion of structures on the proximal fibula

A

from anterior to posterior, the LCL, popliteofibular lig, and the biceps

56
Q

popliteus insertion on the distal femur

A

inferior, anterior, and deep to the LCL

57
Q

LCL insertion on the femur

A

posterior and superior to the popliteus tendon

58
Q

this is the most anterior structure inserting on the proximal fibula

A

the LCL

59
Q

how is the ATFL tested

A

to tighten this the foot is plantar flexed

60
Q

how is the CFL tested

A

to tighten this the foot is inverted and neutral

61
Q

actual name for the spring ligament

A

plantar calcaneonavicular ligament is the spring ligament

62
Q

baxters nerve

A

first branch of lateral plantar nerve, to Abductor DQ

63
Q

where does the tibial nerve divide

A

under the flexor retinaculum

64
Q

into what does the tibial nerve divide

A

into the medial and lateral plantar nerves

65
Q

the medial plantar nerve runs deep to this

A

abductor hallucis

66
Q

the lateral plantar nerve runs deep to this

A

quadratus plantae

67
Q

analog of the medial plantar nerve

A

think of the medial plantar as equivalent to the median nerve of the hand

68
Q

analog of the lateral plantar nerve

A

think of the lateral plantar as equivalent to the ulnar nerve of the hand, as it innervates the intrinsics of the foot that involve minimi, interosseous, and adductor hallucis

69
Q

only intrinsic foot muscle not innervated by the tibial nerve

A

EDB is supplied by the DPN

70
Q

this muscle affects motion of the great toe and is innervated by the lateral plantar nerve

A

the adductor hallucis

71
Q

adductor hallucis innervation

A

this muscle is innervated by the lateral plantar nerve

72
Q

this artery has been shown to be the dominant blood supply in some femoral heads

A

the inferior gluteal artery, which often anastomoses with the deep branch of the medial femoral circumflex art

AD ABOS PART ONE (3 decks)

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