UE Neurovascular

Question 1

Really
Tired
Drink
Coffee
Pee-now

Answer 1

Roots (ventral rami)
Trunks
Divisions
Cords
Peripheral Nerves

Question 2

What are the 3 trunks and what is their segmentation?

Answer 2

1. Upper trunk (C5, C6)
2. Middle trunk (C7)
3. Lower trunk (C8, T1)

Question 3

What are the divisions?

Answer 3

Anterior divisions (flexors)
Posterior divisions (Extensors)

Question 4

What are the 3 cords?

Answer 4

Lateral cord
Posterior cord
Medial cord

Question 5

What are the 5 Peripheral Nerves and their segmentation?

Answer 5

1. Axillary nerve (C5, C6)
2. Musculocutaneous Nerve (C5, C7)
3. Radial Nerve (C5-T1)
4. Median Nerve (C6-T1)
5. Ulnar Nerve (C8, T1)

Question 6

What are the 4 supraclavicular parts and what is their segmentation?

Answer 6

1. Dorsal Scapular Nerve (C3-C5)
2. Suprascapular Nerve (C4-C6)
3. Long Thoracic Nerve (C5-C7)
4. Nerve to the Subclavius (C5, C6)

Question 7

Which nerves branch directly from anterior rami or trunks?

Answer 7

Supraclavicular

Question 8

Which nerves branch from cords?

Answer 8

Infraclavicular

Question 9

What 3 things can cause costoclavicular space narrowing?

Answer 9

1. Drooping shoulders
2. Backpack
3. Clavicular/1st costal fracture

Question 10

What can cause excessive neck lateral flexion?

Answer 10

1. Football
2. Fall to head/shoulder
3. Can pull out nerve roots

Question 11

What two things can be impinged by a downward rotation of the clavicle?

Answer 11

Subclavian artery

Brachial plexus

Question 12

What can excessive horizontal abduction cause?

Answer 12

Pectoralis minor impingement

Question 13

Where is an additional rib sometimes (rarely) found and what can it cause?

Answer 13

C7

Decreased costoclavicular space

Question 14

What is the segmentation of the Brachial Plexus?

Answer 14

C5-T1