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Lower Extremity Anatomy > Above The Knee > Flashcards

Above The Knee Flashcards

1
Q

Iliohypogastric

A

ventral division of L1

cutaneous posterolateral gluteal

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2
Q

Ilioinguinal

A

Ventral division of L1. Cutaneous Superomedial thigh

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3
Q

Genitofemoral

A

Ventral Division of L1,2.

cutaneous femoral triangle

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4
Q

lateral femoral cutaneous

A

dorsal! L2,3

cutaneous anterolateral thigh

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5
Q

Obturator nerve

A

ventral division of L2,3,4

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6
Q

Accessory obturator

A

ventral division L3,4

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7
Q

Femoral nerve

A

dorsal L2,3,4
motor (anterior thigh)
sensory (hip/knee)
cutaneous- anterior/inferomedial thigh

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8
Q

nerves to psoas major muscle

A

dorsal L2,3,4

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9
Q

Lumbosacral trunk

A

L4 (portion) L5 (all)

joins sacral plexus

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10
Q

iliopsoas

A

advances the loer extremity during gait

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11
Q

main nerve supply of anterior compartnment

A

femoral

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12
Q

main nerve of medial compartment

A

obturator

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13
Q

main nerve of posterior compartment

A

sciatic

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14
Q

Lateral to Medial arrangement of structures passing under ligament (vascular compartment) of the retro inguinal space

A 
NAVEL
femoral branch of Genitofemoral nerve 
Femoral Artery 
Femoral Vein 
Femoral canal (empty space, lymphatics)
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15
Q

what separates the muscular and vascular compartments of the retroinguinal space

A

iliopectineal arch

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16
Q

what veins are tributaries to GREAT saphenous

A

anterior and posterior accessory saphenous
superficial epigastric
Superficial circumflex iliac
external pudendal (sometimes small saphenous)

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17
Q

superior boundary of femoral triangle

A

inguinal ligament (pouparts)

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18
Q

medial boundary of femoral triangle

A

medial border of adductor longus

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19
Q

lateral boundary of femoral triangle

A

medial border of sartorius

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20
Q

floor of femoral triangle

A

iliopsoas, pectineous, adductor longus

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21
Q

foor of femoral triangle

A

fascia lata/cribriform fascia

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22
Q

content of femoral triangle

A 
Femoral Branch of genitofemoral nerve 
femoral artery 
femoral vein 
femoral canal (lymphatics)
Deep Inguinal 
Femoral Nerve and branches 
Termination of saphenous vein 
Profunda femoris artery 
Lateral and medial Femoral Circumflex
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23
Q

is femoral nerve in the femoral sheath

A

Negative

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24
Q

femoral sheath compartments

A

Lateral: Femoral artery
intermediate: femoral vein
Medial: Femoral Canal (empty space, lymph)

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25
Q

boundaries of femoral canal

A

Lateral: Intermediate compartment (Femoral vein)
Medial: Lacunar ligament Anterior: Inguinal ligament
Posterior: Superior pubic ramus (pectineal ligament

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26
Q

Blockage of external iliac or proximal femoral, blood can still reach lower extremity HOW?

A

Internal iliac to inferior gluteal to trochanteric/cruciate anastomosis

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27
Q

major supplier of the head and neck of femur after age 3?

A

trochanteric anastomoses, mostly ascending brach of Medial femoral circumflex

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28
Q

Trochanteric Anastamosis

A

Ascending branch of medial femoral circumflex
Ascending branch of lateral femoral circumflex
Descending branch of inferior gluteal
descending branch of superior gluteal

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29
Q

cruciate anastomosis

A

descending branch of inferior gluteal
transverse branch of lateral femoral circumflex
transverse branch of medial femoral circumflex

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30
Q

all quad muscles are innervated by descending branch of lateral femoral circumflex except

A

vastus medalis. this is supplied by profunda femoris and superior medial genicular

31
Q

what content of the adductor canal does not pass through the adductor hiatus

A

the saphenous nerve (pierces fascia becomes cutaneous)

32
Q

anterior branch of obturator innervates

A

Adductor longus

adductor brevis

33
Q

anterior branch of obturator innervates

A

adductor magnus (adductor part)

34
Q

the hamstring part of adductor magnus is innervated by

A

tibial part of sciatic

35
Q

Patellar Plexus

A

cutaneous inervation around the patella

  • intermediate femoral cutaneous
  • medial femoral cutaneous
  • lateral femoral cutaneous
  • saphenous (infrapatellar)
36
Q

subsartorial plexus

A

medial thigh cutaneous innervation
-deep to sartorious and distal part of add long
composed of: Anterior branch of obtorator
-medial femoral cutaenous
-saphenous

37
Q

what nerves are apart of both patellar plexus and subsartorial

A
  • saphenous nerve

- medial femoral cutaneous

38
Q

most commonly strained adductor

A

adductor longus

39
Q

teardrop muscle

A

vastus medialis

40
Q

internal iliac artery begins at what level

41
Q

inferior gluteal artery passes between `

42
Q

corona mortis

A

Anastomosis between external iliac or inferior epigastric and
obturator artery and/or vein

43
Q

medial sacral artery arises from

A

posterior abdominal aorta

44
Q

External iliac (inferior epigastric) annastamoses with

A

obturator artery

45
Q

gluteal arteries can anastamose with

A

profunda femoris branches

46
Q

medial circumflex femoral and inferior gluteal can anastamose with

A

obturator artery

47
Q

ASIS anasamoses

A

Deep and superficial circumflex iliacs, iliac branch of iliolumbar and ascending branch of lateral circumflex femoral

48
Q

Superior Gluteal nerve

A

dorsal division of L4-S1

49
Q

Inferior Gluteal nerve

A

dorsal divison L5-S2

50
Q

Nerve to piriformis

A

dorsal divisions of S1,2

51
Q

perforating cutaneous nerve

A

dorsal division os S2,3

52
Q

sciatic

A

dorsal divisions of L4-S2

Ventral L4-S3

53
Q

Posterior cutaneous nerve of thigh

A

dorsal divisions of S1, 2

Ventral S2,3

54
Q

Nerve to quadratus femoris

A

ventral divisions of L4-S1

55
Q

Nerve to obturator internus

A

Ventral L5-S2

56
Q

pudendal nerve

A

ventral divisions of S2-4

57
Q

what muscles insert on the IT band

A

Tensor Fascia Latae

Gluteus Maximus

58
Q

nerve to obturator internous innervates

A

superior gemellus

obturator internous

59
Q

which nerve is effected with piriformis syndrome

60
Q

inferior gluteal nerve innervates

A

gluteus maximus

61
Q

superior gluteal nerve innervates

A

gluteus minimus, medius, TFL

62
Q

trendelenberg tests

A

superior gluteal nerve

Glut Min, MEd, TFL

63
Q

intragluteal injections

A

superolateral quadrant
•above line from PSIS to greater trochanter tip
• Triangular area between ASIS, tubercle of crest, greater trochanter

64
Q

greater sciatic foramen content

A 
Content passing through:
• Piriformis muscle
Above piriformis
• Superior gluteal artery, vein, nerve Below pirifromis
• Inferior gluteal artery, vein, nerve
• Internal pudendal artery and vein
• Pudendal nerve
• Sciatic nerve
• Posterior femoral cutaneous nerve
• Nerve to obturator internus
• Nerve to quadratus femoris
65
Q

lesser sciatic foramen

A

Internal pudendal artery and vein
• Pudendal nerve
• Nerve to obturator internus
Tendon of obturator internus

66
Q

gluteal lurch what is effected

A

glut max and inferior gluteal nerve

67
Q

all posterior compartment muscles

(except BF short head) …

A

originate on ischial tuberosity
innervated by tibial nerve
supplies by perforating arteries of PF, popliteal (superior genicular
branches) and inferior gluteal

68
Q

short head of bicep femoris

A
  • supplied by perforating arteries and popliteal
  • common fibular branch of sciatic
  • only crosses knee, not thigh
69
Q

pes ansurinus

A

sartorious, gracilis, semitendonosis

70
Q

what nerve runs meidal to the sciatic

A

posterior femoral cutaneous

71
Q

what artery supplies sciatic nerve

A

inferior gluteal

72
Q

popliteal fossa content

A 
small saphenous vein 
popliteal artery and branches 
popliteal vein and tributaries 
tibial nerve 
medial sural cutaneous 
common fibular nerves (lateral sural cutaneous, sural/fibular communicating)
posterior cutaneous nerve of thigh 
popliteal lymph nodes
73
Q

popliteal fossa boundaries

A

superolateral: bicep femoris
superomedial: semimembranosus/semitendinosus
inferolateral: lateral head gastroc/plantaris
inferomedial: medial head gastroc
roof: skin and superficial fascia and deep fascia
floor: popliteal surface of femur, inversting fascia over popliteus, knee joint capsule, oblique ligament

Lower Extremity Anatomy (16 decks)

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