Brachial plexus Flashcards
1
Q
Brachial plexus branching
A
- 5 ventral rami (C5-T1)
- 3 trunks (Upper, middle, lower)
- ant. and post. divisions
- 3 cords =
a. lateral (ant. upper and ant. middle);
b. medial (ant. lower);
c. posterior (post. all 3) - main nerves
2
Q
Musculocutaneous nerve
A
lateral cord
biceps brachii, coracobrachialis, brachialis
3
Q
Ulnar
A
medial cord
intrinsic hand muscles
4
Q
Radial
A
posterior cord
post. compartments of arm and forearm
5
Q
Axillary
A
post. cord
deltoids, teres minor
6
Q
Median
A
lateral and median cords
flexors of wrist, fingers and thumbs
7
Q
dorsal scap
A
C5
rhomboids and levator scapulae
8
Q
suprascap
A
c5-c6
supra and infraspinatus
9
Q
long thoracic
A
c5-c7
serratus anterior
10
Q
medial pectoral nerve
A
c8-t1
pec minor and major
11
Q
lateral pec nerve
A
c5-c8
pec major
12
Q
thoracodorsal
A
post. cord
lat dorsi
13
Q
subscap
A
post cord
subscap and teres minor
