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Flashcards in Lumbar Spinal nerves Deck (10)
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1
Q

How many lumbar spinal nerve does a person normally have?

A

10 (5 pairs)

2
Q

T/F: each lumbar spinal nerve is named for the vertebra below the nerve.

A

False; named for the vertebra above

3
Q

What does each lumbar nerve root divide into?

A

anterior and posterior primary rami

4
Q

What does each posterior primary rami of the lumbar spinal nerves divide into?

A

medial and lateral branches

5
Q

Which branches of the posterior primary rami of the lumbar spinal nerves supply the multifidi?

A

medial branches supply multifidi (M&M)

6
Q

What do the lateral branches of the posterior primary rami of the lumbar spinal nerves supply?

A

erector spinae group

7
Q

T/F: the anterior primary rami of the lumbar spinal nerves contribute to both the lumbar and the sacral plexuses.

A

True (L4 contributes to both plexuses)

8
Q

Typically, how many lumbar sympathetic ganglia exist?

A

4

9
Q

Which lumbar spinal nerves will have white rami communicans associated with them?

A

L1, L2 and sometimes L3

10
Q

Which lumbar spinal nerves will have gray rami communicans associated with them?

A

all of them