Peripheral nerve- Wolfe Flashcards
Cervical plexus
C1-C4- Ventral rami
Which parts of the brachial plexus are supraclavicular vs infraclavicular?
Supra- RTD
Infra- CB
For the brachial plexus, where are the supraclavicular components found? What about infra?
Supra- Posterior triangle of the neck
Infra- Axilla
Brachial plexus is composed of __-__
C5-T1
Where do the brachial plexus trunks originate?
Superior- C5/C6
Middle- C7
Trunk- C8/T1
Where does the axilla originate?
C5 C6
What does the axilla nerve innervate?
Shoulder- middle and lower
Where does the radial nerve originate?
Radial- radiALL- ALL of them
C5- T1
Where does the radial innervate?
Anterior view- bicep, lower thumb
Posterior view- entire middle arm from middle finger to deltoid
Where does the musculocutaneous nerve originate?
C5-C7
Where does the musculocutaneous nerve innervate?
Lateral forearm from wrist to elbow
Pinch Me-
Pinch U-
Push er-
Pull em-
Pinch Me- Median nerve- pinch pointer
Pinch U- Ulnar- pinch pinky finger
Push er- tricep extension- radial
Pull em- flex bicep- musculocutaneous
Where does the median nerve originate?
C5-T1 (all)
Which branches are innervated by the entire brachial plexus
Median
Radial
What does the median nerve innervate?
Anterior- lateral side of entire palm
posterior- fingertips of 1,2,3
Lumbar plexus
L1-L4, 50% T12
I- Ilioinguinal
Inevitably- Iliohypogastric
Get- Genitofemoral
Lazy- Lateral femoral
On- Obturator
Fridy- Femoral
Sacral plexus
L4-S4
SIPPS
Superior gluteal
Inferior gluteal
Pudendal
Posterior femoral
Sciatic
Lumbar plexus- where do they originate?
L1-L4
I- T12-L1
I- T12-L1
G- L1-L2
L- L2-L3
O- L2-L4
F-L2-L4
What does the sciatic nerve feed?
Common peroneal->superficial peronal/ deep peroneal
Tibial- sural, post tib
What does the femoral nerve feed?
Saphenous
Sacral plexus- where do they originate?
S
I
P- S1-S3
P- S2-S4
S- L4-S4- Entire plexus because its the biggest nerve in the body
Where does the ulnar originate?
C8-T1
