Lower Extremity Blocks

Front 1

What five peripheral nerves supply the foot?

Back 1

tibial, sural, saphenous, deep and superficial peroneal

Front 2

What nerve in the foot supplies the dorsum aspect?

Back 2

superficial peroneal nerve

Front 3

What does the deep peroneal nerve innervate?

Back 3

the webbing between the first and second toes

Front 4

What innervates the sole of the foot?

Back 4

tibial nerve

Front 5

What does the sural nerve innervate?

Back 5

the lateral side of the foot

Front 6

What innervates the medial aspect of the foot?

Back 6

saphenous nerve

Front 7

How much is local anesthetic is injected for blocking the sural nerve?

Back 7

5-10ml

Front 8

The sciatic nerve divides into what?

Back 8

the common peroneal and tibial nerve

Front 9

What innervates the lateral aspect of the thigh?

Back 9

lateral femoral cutaneous nerve

Front 10

What are the major nerves of the lower extremity?

Back 10

sciatic, posterior femoral cutaneous, femoral, lateral femoral cutaneous, obturator nerves

Front 11

A femoral nerve block provides anesthesia to what?

Back 11

the anterior aspect of the thigh and the knee, as well as the medial aspect of the leg

Front 12

The obturator nerves provides variable cutaneous innervation of

Back 12

the thigh which can be medial, post, or absent

Front 13

The sacral plexus arises from

Back 13

L4-5 and S1-3

Front 14

The femoral nerve divides into

Back 14

multiple ant cutaneous braches of the thigh and gives rise to the saphenous nerve of the medial leg

Front 15

What is the only branch of the fenoral nerve to contribute to the innervation below the knee?

Back 15

saphenous nerve