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Anatomy > Test 4: Nerves, Arteries, Veins > Flashcards

Test 4: Nerves, Arteries, Veins Flashcards

0
Q

Inferior gluteal n.

Course

A

Greater sciatic foramen (inferior to piriformis) –> branches off

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1
Q

Inferior gluteal n.

Origin

A

Sacral plexus (L5-S2)

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2
Q

Inferior gluteal n.

Distribution

A

Gluteus Maximus

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3
Q

Superior gluteal n.

Origin

A

Sacral plexus (L4-S1)

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4
Q

Superior gluteal n.

Course

A

Greater sciatic foramen (superior to piriformis) –> runs between gluteus medius and minimus

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5
Q

Superior gluteal n.

Distribution

A

Gluteus medius
Gluteus minimus
TFL

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6
Q

Posterior femoral cutaneous n.

Origin

A

Sacral plexus (S1-S3)

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7
Q

Posterior femoral cutaneous n.

Course

A

Greater sciatic foramen (inferior to piriformis) –> under gluteus Maximus –> descends under fascia lata –> branches off

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8
Q

Posterior femoral cutaneous n.

Distribution

A

Skin of buttock, posterior thigh/calf
Lateral perineum
Upper medial thigh

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9
Q

Pudendal n.

Origin

A

Sacral plexus (S2-S4)

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10
Q

Pudendal n.

Course

A

Greater sciatic foramen (inferior to piriformis) –> descends posterior to sacrospinous lig –> enters perineum via lesser sciatic foramen

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11
Q

Pudendal n.

Distribution

A

Perineum

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12
Q

N. to obturator internus

Origin

A

Sacral plexus (L5-S2)

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13
Q

N. to obturator internus

Course

A

Greater sciatic foramen (inferior to piriformis) –> descends posterior to ischial spine –> lesser sciatic foramen –> obturator internus

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14
Q

N. to obturator internus

Distribution

A

Superior gemellus

Obturator internus

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15
Q

N. to quadratus femoris

Origin

A

Sacral plexus (L4-S1)

16
Q

N. to quadratus femoris

Course

A

Leaves pelvis via Greater sciatic foramen deep to sciatic n.

17
Q

N. to quadratus femoris

Distribution

A

Hip joint
Inferior gemellus
Quadratus femoris

18
Q

Sciatic n.

Origin

A

Sacral plexus (L4-S3)

19
Q

Sciatic n.

Course

A

Greater sciatic foramen (inferior to piriformis) –> gluteal region –> descends deep to biceps femoris –> bifurcated into tibial and common fibular nerves at apex of popliteal fossa

20
Q

Sciatic n.

Distribution

A

All muscles in posterior compartment of thigh

21
Q

Clunial n.

Origin

A

Superior: posterior rami L1-L3

Middle: posterior rami S1-S3

Inferior: posterior cutaneous n. of thigh

22
Q

Clunial n.

Course

A

Superior: crosses iliac crest
Middle: exits through posterior sacral foramina and enters gluteal region
Inferior: curves around inferior border of gluteus Maximus

23
Q

Clunial n.

Distribution

A

Skin of gluteal region

24
Q

Saphenous n.

Origin

A

Femoral n.

25
Q

Saphenous n.

Course

A

With femoral vessels through femoral triangle/adductor canal –> descends with great Saphenous v.

26
Q

Saphenous n.

Distribution

A

Skin of medial side of leg and foot

27
Q

Tibial n.

Origin

A

Sciatic n.

28
Q

Tibial n.

Course

A

Through popliteal fossa –> along tibialis posterior –> terminates at flexor retinaculum (divides into med/lat plantar nerves)

29
Q

Tibial n.

Distribution

A

Plantar flexor muscles of posterior compartment of leg and knee

30
Q

Common fibular n.

Origin

A

Sciatic n.

31
Q

Common fibular n.

Course

A

Follows medial border of biceps femoris/tendon –> posterior head of fibula –> winds around neck of fibula –> divides into deep/superficial fibular nerves

32
Q

Common fibular n.

Distribution

A

Skin on lateral part of posterior leg

Knee joint

33
Q

Superficial fibular n.

Origin

A

Common fibular n.

34
Q

Superficial fibular n.

Course

A

Arises between fibularis longus and neck of fibula –> lateral compartment of leg –> pierces deep fascia

35
Q

Superficial fibular n.

Distribution

A

Fibular muscles of lateral compartment of leg
Skin on distal 1/3 of anterior surface of leg
Skin on dorsum of foot

36
Q

Deep fibular n.

Origin

A

Common fibular n.

37
Q

Deep fibular n.

Course

A

Arises between fibularis longus and neck of fibula –> extensor digitorum longus –> interosseous membrane –> distal end of tibia –> dorsum of foot

38
Q

Deep fibular n.

Distribution

A

Dorsiflexor muscles of anterior compartment
Extensor muscles on dorsum of foot
Skin on 1st interdigital cleft

Anatomy (11 decks)

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