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Medicine Phase One > Nerves of the Lower Limb > Flashcards

Nerves of the Lower Limb Flashcards

1
Q

What is the origin of the femoral nerve?

A

L2-L4

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2
Q

What is the motor function of the femoral nerve?

A

Anterior leg compartment

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3
Q

What is the sensory supply of the femoral nerve?

A

This supplies the anterior-medial thigh. It then gives off the saphenous nerve and this supplies the medal leg and medial foot.

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4
Q

What branches off to give the saphenous nerve?

A

Femoral nerve

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5
Q

What is the origin of the Obturator nerve?

A

L2-L4

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6
Q

What is the motor supply of the Obturator nerve?

A

The adductors of the thigh (medial compartment), expect the hamstring part of the adductor magnus.

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7
Q

What is the sensory supply of the Obturator nerve?

A

Skin of medial thigh

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8
Q

What is the origin of the lateral cutaneous nerve of the thigh?

A

This is sensory nerve from L2-3.

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9
Q

What is sensory supply for the lateral cutaneous nerve of the thigh?

A

Lateral thigh

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10
Q

What is the origin of the posterior cutaneous nerve of the thigh?

A

S1-S3

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11
Q

What is the sensory supply of the posterior cutaneous nerve of the thigh?

A

Posterior thigh and top posterior leg

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12
Q

What is the origin of the Sciatic nerve?

A

L4-S3

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13
Q

What is the motor function of the Sciatic nerve?

A

Posterior thigh compartment and hamstring part of the adductor magnus

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14
Q

What is the sensory supply of the Sciatic nerve?

A

There is no direct sensory supply

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15
Q

What does the sciatic nerve divide into and when does this division occur?

A

It divides at the popliteal fossa into the common peroneal and the tibial nerve.

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16
Q

What is the motor function of the tibial nerve?

A

Posterior leg compartment

17
Q

What does the tibial nerve divide into?

A

Medial and Lateral plantar nerve

18
Q

What is the sensory supply of the tibial nerve?

A

Skin of the lower posterior leg. It then supplies the sole of the foot through its lateral and medial plantar nerve and the medial calcaneal.

19
Q

What is the motor supply of the superficial peroneal nerve?

A

Lateral leg

20
Q

What is the sensory supply of the superficial peroneal nerve?

A

Lateral leg and the dorsum of the foot

21
Q

What is the motor function of the deep peroneal nerve?

A

Anterior leg compartment

22
Q

What is the sensory function of the deep peroneal nerve?

A

Triangular region between the first two toes

23
Q

What nerve supplies the triangular region between the two big toes?

A

Deep peroneal nerve

Medicine Phase One (44 decks)

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