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Anatomy 6 > Review: Lower limb nerve supply > Flashcards

Review: Lower limb nerve supply Flashcards

1
Q

nerve to gluteus maximus

A

inferior gluteal n.

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2
Q

nerve to gluteus medius and gluteus minimus

A

superior gluteal n.

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3
Q

nerve to piriformis

A

S1-2

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4
Q

nerve to obturator internus

A

L5, S1, S2

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5
Q

nerve to superior gemellus

A

L5, S1, S2

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6
Q

nerve to inferior gemellus

A

L5, S1

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7
Q

nerve to quadratus femoris

A

L5, S1

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8
Q

each nerve contributing to the sacral plecus receives _______________ from the lower end of the sympathetic chain

A

postganglionic sympathetic fibers

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9
Q

posterior division sacral plexus nerves

A 
common peroneal n.
superior gluteal n.
inferior gluteal n.
posterior femoral cutanteous (part)
nerve to piriformis
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10
Q

anterior division sacral plexus nerves

A 
tibial n.
n. to obturator internus
n. to quadratus femoris
pudendal n.
n. to levator ani
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11
Q

are pelvic splanchnic nerves part of the sacral plexus?

A

no

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12
Q

only nerve branch of the sacral plexus that exits above the piriformis muscle

A

superior gluteal n. L4-S1

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13
Q

cutaneous innervation to gluteal region

A

superior and medial cluneal n (dorsal primary rami) and inferior cluneal n. (ventral primary rami)

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14
Q

supply the proximal medial thigh and genital region

A

genital branches of genitofemoral (L1-2) and ilioinguinal n. (L1)

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15
Q

supplies skin over the femoral triangle

A

L1-2 femoral branch of genitofemoral

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16
Q

supplies skin of medial thigh

A

medial cutaneous branch of femoral n.

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17
Q

supplies the skin of distal anterior thigh

A

intermediate cutaneous branch of femoral n.

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18
Q

spinal origin of lateral femoral cutaneous n.

A

L2-3 NOT a branch of the femoral n.

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19
Q

supplies the lateral thigh, lateral to the intermediate cutaneous branch of the femoral n.

A

lateral femoral cutaneous n.

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20
Q

supplies the posterior thigh and popliteal region

A

posterior femoral cutaneous n. S1-3

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21
Q

nerve of the anterior compartment of the thigh (flexors of hip and extensors of knee)

A

femoral n.

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22
Q

nerve to tensor fascia latae

A

superior gluteal n. NOT femoral even though it is the anterior compartment

23
Q

nerve of the medial compartment of thigh (adductor group)

A

obturator n.

24
Q

nerve supply to the adductor magnus

A

adductor part: obturator n.

hamstring part: tibial n.

25
Q

nerve of the posterior compartment of the thigh

A

tibial n.

26
Q

innervation to the short head of the biceps femoris

A

common peroneal n. NOT tibial n.

27
Q

sensory branches of the femoral n.

A

medial femoral cutaneous
intermediate femoral cutaneous n.
saphenous n.

28
Q

motor branches of the femoral n. go to the following muscles…

A

sartorius
quadriceps femoris
articualris genu
pectineus

29
Q

where is the anterior and posterior division of the obturator n. located

A

anterior division in front of adductor brevis and posterior behind

anterior supplies adductor longus, gracilis, adductor brevis and part of pectineus
posterior supplies obturator externus, adductor brevis and adductor magnus

30
Q

supplies skin on the medial side of leg

A

saphenous n.

31
Q

medial sural n. is a branch of

A

tibial n.

32
Q

lateral sural n is a branch of

A

common peroneal n.

33
Q

sural communicating nerve is a branch of …

A

lateral sural cutaneous and it joins with the medial sural cutaneous

34
Q

formed by the junction of the medial and communicating sural cutaneous nerves

A

sural n.

35
Q

supplies skin of anterolateral leg and dorsum of foot

A

superficial peroneal n.

36
Q

paralysis of all anterior and lateral compartment muscles of the leg

A

injury to the common peroneal n.

37
Q

nerve to the lateral compartment of the leg

A

superficial peroneal n.

38
Q

nerve to the posterior compartment of the leg

A

tibial n.

39
Q

supplies the skin of the medial side of foot as far as the 1st metatarsal

A

saphenous n.

40
Q

continuation of the sural nerve into the foot

A

lateral dorsal cutaneous n.

41
Q

supplies the middle part of the dorsum of the foot

A

superficial peroneal n. which becomes the dorsal digital n.

42
Q

supplies the skin between 1st and 2nd toes

A

deep peroneal n.

43
Q

supplies the heel area

A

calcaneal branches of tibial n.

44
Q

supplies medial 3.5 digits

A

medial plantar n.

45
Q

supplies lateral 1.5 digits

A

lateral plantar n.

46
Q

branches of the tibial n.

A

medial calcaneal n.
medial plantar n.
lateral plantar n.

47
Q

sensory innervation to the heel

A

medial calcaneal n.

48
Q

divides into three common plantar digital nerves

A

medial plantar n.

49
Q

each common plantar digital n. gives rise to …

A

two proper plantar n.

50
Q

supplies cutaneous brances to medial 3.5 digits on plantar side

A

medial plantar n.

51
Q

medial plantar n. supplies motor branches to …

A

abductor hallucis
flexor digitorum brevis
flexor hallucis brevis
1st lumbrical

*** the rest of the foot is supplied by the lateral plantar n.

52
Q

cutaneous branches to lateral 1.5 digits plantar side

A

lateral plantar n.

53
Q

sensory to the lateral margin of foot and lateral side of 5th toe

A

sural n.

54
Q

sensory to the medial side of the foot

A

saphenous n.

Anatomy 6 (8 decks)

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