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A - TAS Neurology > Spinal Nerves > Flashcards

Flashcards in Spinal Nerves Deck (20)
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1

What does knowledge of the structure and physiology of the nervous system allow?

Understanding of how damage to different areas may present

2

What emerges at the spinal level?

31 pairs of mixed motor and sensory bundles emerge

3

What are the regions of the spine?

- Cervical
- Thoracic
- Lumbar
- Sacral
- Coccygeal

4

How many pairs of nerves arise from the cervical region of the spine?

8

5

How many pairs of nerves arise from the thoracic region of the spine?

12

6

How many pairs of nerves arise from the lumbar region of the spine?

5

7

How many pairs of nerves arise from the sacral region of the spine?

5

8

How many pairs of nerves arise from the coccygeal region of the spine?

1

9

What do the nerves arising from the spine produce?

They further combine to produce nervous plexi

10

What plexi are formed from nerves arising from the spine?

- Cervical plexus
- Brachial plexus
- Lumbar plexus
- Sacral plexus
- Coccygeal plexus

11

What nerves form the cervical plexus?

C1-4

12

What does the cervical plexus innervate?

- Muscles and skin of shoulder and neck
- Diaphragm

13

What nerve innervates the diaphragm?

Phrenic nerve

14

What nerves form the brachial plexus?

C5-8, T1

15

What does the brachial plexus innervate?

Muscles and skin from the base of the neck to the fingertips

16

What nerves form the lumbar plexus?

L1-3 + part of L4

17

What does the lumbar plexus innervate?

Skin and muscles of lower abdomen, thighs, and groin

18

What nerves form the sacral plexus?

L4-5, S1-4

19

What does the sacral plexus innervate?

Muscles and skin of the pelvic area and legs

20

What does the coccygeal plexus innervate?

Muscles and skin of pelvic area and sphincters