Nerves Flashcards
1
Q
How many upper limb nerves are there
A
- radial nerves
- ulna nerve
- median nerve
- axillary nerve
- musculoscutaneous nerve
2
Q
What are the 5 roots of the nerves
A
C5
C6
C7
T1
3
Q
What makes up the superior trunk
A
C5
C6
4
Q
What makes up the middle trunk
A
C7
5
Q
What makes up the inferior trunk
A
C8
T1
6
Q
What direction does the middle trunk go to
A
Posterior cord
Lateral cord
7
Q
What for action does the superior trunk go to
A
Posterior cord
Lateral cord
8
Q
What direction does the inferior trunk go to
A
Posterior cord
Medial cord
9
Q
The lateral cord what nerve does it go to?
A
Musculocutaneous
Median
10
Q
The posterior cord what nerves does it go to?
A
Axillary
Radial
11
Q
The medial cord what nerves does it go to?
A
Ulnar
Median
12
Q
What nerve innovates bicep brachii
A
Musculocutaneous
13
Q
What nerve innovates the deltoid muscle
A
Axillary
C5, C6
14
Q
What muscles does the radial nerve innovate
A
All extensors Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor pollicis longus Extensor pollicis brevis
15
Q
Describe the radial motor pathway
A
- C5 T1
- Comes out of posterior cord
- Exists axillary posterior
- Comes down to radial groove
- Wraps around humerus head
- Enters lateral epicondyle anteriorly
- Goes to cubicle fossa
- Innovated extensor muscles
