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Locomotor system > Lower limb neurovasculature > Flashcards

Lower limb neurovasculature Flashcards

1
Q

Lumbar plexus

A

L1-L4

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2
Q

Sacral plexus

A

L4-S3

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3
Q

Lumbosacral plexus supplies (2)

A

motor and sensory

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4
Q

Nerves lateral border of psoas (4)

A

femoral, iliohypogastric, ilioinguinal, lateral cutaneous of thigh nerve

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5
Q

nerve on the anterior surface of psoas

A

genitofemoral nerve

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6
Q

nerve on medial surface of psoas

A

obturator nerve

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7
Q

iliohypogastric root value

A

L1

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8
Q

iliohypogastric motor distribution (2)

A

inferior transversus abdominis and internal obliques

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9
Q

iliohypogastric sensory distribution (4)

A

external obliques, internal obliques, skin upper lateral gluteal to pubis, transversus abdominis

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10
Q

ilioinguinal root value

A

L1

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11
Q

Ilioinguinal motor distribution (3)

A

external obliques, inferior transversus abdominis, internal obliques

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12
Q

Ilioinguinal sensory distribution (5)

A

anterior labium, anterior scrotum, clitoris root, penis root, skin proximal medial thigh

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13
Q

Genitofemoral nerve root

A

L1-L2

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14
Q

Genitofemoral nerve motor innervation

A

cremaster muscle (genital branch)

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15
Q

genitofemoral nerve sensory innervation (3)

A

anterior labia majora, anterior scrotum (genital branch), proximal thigh (femoral branch)

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16
Q

Lateral cutaneous nerve of the thigh nerve roots

A

L2-L3

17
Q

Lateral cutaneous nerve of the thigh sensory innervation

A

skin anterolateral of thigh

18
Q

Femoral nerve roots

A

L2-L4

19
Q

Femoral nerve motor innervation (4)

A

Iliacus, pectineus, quadriceps femoris, sartorius

20
Q

Femoral nerve sensory innervation (3)

A

Hip joint, skin anteromedial thigh, skin of medial leg and foot (saphenous nerve)

21
Q

Obturator nerve roots

A

L2-L4

22
Q

Obturator nerve motor innervation (5)

A

adductor brevis, longus, magus (adductor part), gracilis, obturator internus

23
Q

obturator nerve sensory innervation (3)

A

hip joint, knee joint, skin of medial upper thigh

24
Q

Psoas major nerve roots

A

L1-L3

25
Q

Quadratus lumborum nerve roots

A

L1-L4

26
Q

Lumbosacral plexus nerves (8)

A

lumbosacral trunk, superior gluteal nerve, inferior gluteal nerve, sciatic nerve, nerve to piriformis muscle, nerve to obturator internus and superior gemellus, nerve to quadratus femoris and inferior gemellus, posterior femoral cutaneous nerve, pudendal nerve

27
Q

Sciatic nerve roots

A

L4-S3

28
Q

Sciatic nerve exit (3)

A

greater sciatic foramen, deep to gluteus maximus, below piriformis

29
Q

where does the sciatic nerve split

A

popliteal fossa apex

Locomotor system (13 decks)

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