Neuro Flashcards

1
Q

Lumbar plexus

A
Iliohypogastric
Ilioinguinal
Genitofemoral
Lateral femoral cutaneous
Femoral
Obturator
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2
Q

Nerve Roots: iliohypogastric

A

L1 with a branch from T12

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3
Q

Nerve roots: ilioinguinal

A

L1

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4
Q

Nerve roots: genitofemoral

A

L1, L2

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5
Q

Nerve roots: lateral femoral cutaneous

A

L2, L3

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6
Q

Nerve roots: femoral

A

L2, 3, 4

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7
Q

Nerve Roots: obturator

A

L2, 3, 4

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8
Q

Iliohypogastric: motor and sensory

A

Motor: internal oblique and TA
Sensory: superior glute, hypogastric region

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9
Q

Meralgia Parasthetica

A

IT band region burning
Lateral femoral cutaneous nerve
L2-3

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10
Q

What nerve block would be performed to block pain following a csection

A

Iliohypogastric

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11
Q

Ilioinguinal: motor and sensory

A

Motor: upper TA and internal obliques

Sensory: upper medial thigh/groin, clitoris and hood, labia majora, mind pubis, base of penis and scrotum.

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12
Q

Ilioinguinal- mechanisms of injury

A
  • hernia or inguinal repair
  • postpregnancy
  • spermatic cord or round ligament pathology
  • pelvic sx-csection
  • abdominal sx- appendectomy
  • heavy down bearing as with weightlifting
  • compression at waist with tight clothing
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13
Q

Lateral femoral cutaneous nerve:

A

L2-3

Runs under inguinal ligament and over sartorius

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14
Q

Lateral femoral cutaneous nerve: MOI

A
Csection 
Pregnancy
Adhesions
Seat belt/tool belt/weight belt
Obesity 
THA anterior approach
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15
Q

Femoral Nerve: motor and sensory

A

Motor: iliopsoas, pectineus, sartorius, quads

Sensory: anterior thigh, medial knee and ankle

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16
Q

Sensory branch of the femoral nerve

A

Saphenous nerve

17
Q

Obturator nerve: motor and sensory

A

Motor: Obturator externus, adductors, gracilis, pectineus (sometimes)

Sensory: medial thigh and groin

18
Q

Sacral plexus

A
Sciatic 
Superior gluteal
Inferior gluteal
Posterior cutaneous 
Pudendal
19
Q

Nerve roots: Sciatic nerve

A

L4-S3

20
Q

Nerve roots: superior gluteal nerve

A

L4-S1

21
Q

Nerve Roots: inferior gluteal

A

L5-S2

22
Q

Nerve roots: posterior cutaneous nerve

A

S1-3

23
Q

Nerve roots: pudendal nerve

A

S2-4

24
Q

Nerve roots: nerve of Piriformis

A

L5, S2

25
Q

Nerve roots: nerve of obturator internus

A

L5, S1

OI and gemelli

26
Q

Nerve roots: nerve of quadratus femoris

A

L5,S1

27
Q

Superior gluteal nerv: motor

A

Motor: gluteus medius and minimums, TFL

28
Q

Inferior gluteal nerve: motor

A

Gluteus Maximus

29
Q

Posterior femoral cutaneous nerve: sensory

A

Skin of posterior thigh, gluteal sulcus, perineal region

30
Q

Nerve roots: nerve to Levator ani

A

S3,4

31
Q

SIJ innervation

A

Posterior joint: L3-S3
Anterior joint: L2-S2

Primary innervation is S1

32
Q

Nerves off of pudendal nerve

A

Inferior rectal nerve

Dorsal nerve to clitoris or penis

33
Q

Innervation of rectum to superior anus

A

Sympathetic: hypo gastric nerves

Parasympathetic: S2-4
Pelvic splanchnic to inferior hypo gastric plexus

34
Q

Innervation of distal anus to EAS

A

Perineal branch of 4th sacral nerve root and inferior rectal branch of pudendal nerve

35
Q

Bulbocavernosus clitoral reflex

A

Stoke of clitoral hood caused contraction of PF

36
Q

Anal wink

A

Stroke lateral to anus cause anal sphincter contraction

37
Q

Cremaster reflex

A

L1-2

Stroke medial inner thigh, testicular elevation

38
Q

Peristalsis is stimulation by what nerves

A

Pelvic Splanchnic Nerves

39
Q

Innervation Of TA and internal obliques

A

Iliohypogastric Nerve