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Anatomy 4 > LE > Flashcards

LE Flashcards

1
Q

Where does majority of the LE blood supply come from?

A

Femoral artery

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2
Q

Where does the Femoral artery come from?

A

External Iliac artery

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3
Q

What is the first branch that comes off the Femoral artery?

A

Deep femoral artery

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4
Q

Where does the deep femoral artery perfuse?

A

Entire thigh

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5
Q

After giving off deep femoral artery what does the femoral artery go through?

A

Adductor canal

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6
Q

After passing through the adductor canal what does the femoral artery go through next?

A

adductor hiatus

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7
Q

After passing through the adductor hiatus what is the femoral artery now known as?

A

Popliteal artery

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8
Q

Where do you find the popliteal artery?

A

popliteal fossa

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9
Q

What does the popliteal artery branch into after passing through the popliteal fossa?

A

anterior and posterior tibial artery

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10
Q

What does the posterior tibial artery continue inferiorly into where and how?

A

into the foot posterior/medially to the ankle through the tarsal tunnel

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11
Q

When the posterior tibial artery enters through the tarsal tunnel what structure does it articulate as it enters?

A

under sustentaculum tali of the calcanius bone

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12
Q

After the posterior tibial artery travels under sustentaculum tali what does it split into?

A

medial and lateral plantar artery

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13
Q

What branches off the posterior tibial artery prior to entering the foot?

A

fibular artery

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14
Q

Where does the fibular artery perfuse?

A

lateral portion of the leg

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15
Q

After the anterior tibial artery enters the foot what does it become?

A

dorsalis pedis

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16
Q

How does the dorsalis pedis enter the foot?

A

anterior portion of the ankle

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17
Q

What nerves supplies the anterior thigh? what does it travel with?

A

femoral nerve along femoral artery

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18
Q

What nerve supplies the anterior compartment of the leg? what does it travel with?

A

deep fibular nerve along anterior tibial artery

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19
Q

What perfuses the anterior compartment of the leg?

A

anterior tibial artery

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20
Q

What perfuses the posterior compartment of the leg?

A

posterior tibial artery

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21
Q

What nerve innervates the posterior compartment of the leg? what does it travel with?

A

Tibial nerve along posterior tibial artery

22
Q

What nerve innervates the anterior compartment of the leg? what does it travel with?

A

superficial fibular nerve along with fibular artery

23
Q

What nerve innervates the medial aspect of the foot of the plantar surface? what does it travel with?

A

medial plantar nerve along with medial plantar artery/vein

24
Q

What nerve innervates the lateral aspect of the foot of the plantar surface? what does it travel with?

A

lateral plantar nerve along with lateral plantar artery/vein

25
Q

What two nerves innervate the dorsal of the foot?

A

Deep fibular nerve and superficial fibular nerve

26
Q

What are nerves in the gluteal region?

A

inferior gluteal nerve

superior gluteal nerve

27
Q

What opening does the inferior/superior gluteal nerve travel through?

A

greater sciatic foramen

28
Q

How is the greater sciatic foramen bisected?

A

separated by the piriformis muscle

29
Q

What is the areas bisected by the piriformis muscle in the greater sciatic foramen?

A

infra/suprapiriformis structures

30
Q

What is the suprapiriformis structure?

A

superior gluteal nerve/artery/vein

31
Q

What is the infrapiriformis structure?

A 
PIPS
inferior gluteal nerve
pudendal nerve
posterior femoral cutaneous nerve
sciatic nerve
32
Q

Where does the superior gluteal artery/vein branch off from?

A

internal iliac artery/vein

33
Q

What does the superior gluteal nerve do?

A

innervates gluteus minimus, medius, and tensor fasciae lata

34
Q

What nerve roots does the superior gluteal nerve come from?

A

L4, L5, S1

35
Q

What does the inferior gluteal nerve do?

A

innervates the gluteus maximus

36
Q

What nerve roots does the inferior gluteal nerve come from?

A

L5, S1, S2

37
Q

Wh nerve roots does the pudendal nerve come from?

A

L4, L5, S1, S2, S3, S4

38
Q

What is the course of the pudendal nerve?

A

starts as infrapiriform structure, travels back into lesser sciatic foramen

39
Q

what closes off the sciatic foramens?

A

sacro-spinous ligament
and
sacro-tubaris ligament

40
Q

what is the function of the pudendal nerve?

A

external sphincter of the urethra and anus

41
Q

What is the function of the posterior femoral cutaneous nerve?

A

sensation of the posterior thigh

42
Q

What are the two nerves that make up the sciatic nerve?

A

tibial and the common fibular portion of the sciatic nerve

43
Q

How does the sciatic nerve innervate the posterior aspect of the posterior thigh?

A
  • common fibular portion of the sciatic nerve innervates the short head of biceps femorus
  • tibial portion of the sciatic nerve innervates the rest of the hamstring muscles
44
Q

What group of muscles is the sciatic nerve deep to?

A

hamstring

45
Q

The two nerves of the sciatic nerve will remain together until what portion to bifricate?

A

popliteal fossa

46
Q

Once split of the sciatic nerve, which will travel straight inferiorly?

A

tibial nerve

47
Q

What muscles are surrounding the tibial nerve and how are they oriented?

A

soleus muscle is superficial to the nerve

tibialis posterior muscle is deep to the nerve

48
Q

Once split of the sciatic nerve, which will travel laterally to the fibular head?

A

common fibular nerve

49
Q

once at the fibular head what does the common fibular nerve split into?

A

superficial and deep fibular nerve

50
Q

The superficial fibular nerve goes to which compartment?

A

lateral aspect of the leg

51
Q

What are the lateral leg muscles that are being innervated by the superficial fibular nerve?

A

fibularis longus

fibularis brevis

52
Q

The superficial fibular nerve will leave the lateral compartment and then go where?

A

dorsum of the foot

Anatomy 4 (8 decks)

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