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Laura MSK LL > MSK LL Nerves > Flashcards

MSK LL Nerves Flashcards

1
Q

What nerves arise from the lumbar plexus?

A

I, I Get Left Overs On Friday

Iliohypogastric, Ilioinguinal, Genitofemoral, Later cutaneous nerve of the thigh, Obturator, Femoral

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2
Q

What roots does the lumbar plexus arise from?

A

T12,L1,2,3,4

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3
Q

What nerves arise from the sacral plexus?

A

Superior and inferior gluteal, sciatic, posterior femoral cutaneous, pudendal and nerves to piriformic, obturator internus and quadrator femoris.

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4
Q

What roots does the sacral plexus arise from?

A

L4,5,S1,2,3,4

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5
Q

What does the femoral nerve innervate?

A

The anterior muscles of the thigh

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6
Q

When does the femoral nerve split and what into?

A

Behind the inguinal ligament

Anterior and posterior branches

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7
Q

What is the terminal cutaneous branch of the femoral nerve?

A

Saphenous nrve

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8
Q

What are the nerve roots of the femoral nerve?

A

L2-L4

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9
Q

What are the nerve roots of the sciatic nerve?

A

L4-S3

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10
Q

What does the sciatic nerve innervate?

A

The muscles of the posterior thigh and the hamstring portion of the adductor magnus

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11
Q

When does the sciatic nerve spit? What into?

A

At the apex of the popliteal fossa. Into the common fibular and tibial nerves

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12
Q

What are the roots of the obturator nerve?

A

L2-L4

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13
Q

What does the obturator nerve innervate?

A

The medial (adductor) compartment of the thigh

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14
Q

How does the sciatic nerve leave the pelvis?

A

Via the greater sciatic foreamen. Inferior to the piriformis muscle

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15
Q

When does the obturator nerve split and into what?

A

As it enters the thigh through the obturator canal. Anterior and posterior divisions.

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16
Q

How does the sciatic nerve enter the gluteal nerve?

A

Via the greater sciatic foreamen

17
Q

Which 2 bones landmarks must you consider when giving intramuscular injections

A

The highest point of the iliac crest - this gives the point where you draw the line descending vertically.
The horizontal line passes though the vertical line half way between the highest point of the iliac crest and the ishial tuberosity

18
Q

From what nerve does the common fibular nerve arise fro?

A

Sciatic

19
Q

From what nerve does the tibial nerve arise from?

A

Sciatic

20
Q

What is the common fibular nerve also known as?

A

The peroneal

21
Q

What branches does the common fibular nerve split into?

A

The deep fibular (peroneal) and the superficial fibular (peroneal)

22
Q

What does the common fibular nerve innervate directly?

A

The biceps femoris and the skin over the upper lateral and lower posterolateral parts of the leg

23
Q

What does the superficial fibular nerve innervate?

A

The muscles of the lateral compartment of the leg and he vast majority of the skin over the dorsum of the foot

24
Q

What does the deep fibular nerve innervate?

A

The muscles of the anterior compartment of the leg and a triangular region of skin between the 1st and 2st toes.

25
Q

What are the roots of the common fibular nerve?

A

L4-S3

26
Q

What are the roots of the tibial nerve?

A

L4-S3

27
Q

Where does the tibial nerve innervate?

A

The skin of the posterolateral side of the leg, the lateral side of the foot and the sole of the foot

28
Q

What are the 2 cutaneous branches that arise directly from the common fibular nerve? When?

A

As it moves over the lateral head of the gastrocnemius muscle - sural commicatin and lateral sural cutaneous nerve

29
Q

What are the roots of the superior gluteal nerve?

A

L4-S1

30
Q

What are the roots of the inferior gluteal nerve?

A

L5-S2

31
Q

How does the superior gluteal nerve enter the gluteal region?

A

Via the greater sciatic foreamen, superior to piriformis

32
Q

How does the inferior gluteal nerve enter the gluteal region?

A

Via the great sciatic foreamen, inferior to piriformis

33
Q

What does the superior gluteal nerve innervate?

A

Gluteus medius, minimus and tensor fascia lata

34
Q

What does the inferior gluteal nerve innervate?

A

Gluteus maximus

35
Q

When does the common fibular nerve split into the the superficial and deep nerves?

A

After passing through the gap in the fibularis longus

Laura MSK LL (6 decks)

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