brachial plexus Flashcards
1
Q
what type of innervation does the brachial plexus give
A
motor
sensory
sympathetic innervation
2
Q
what type of rami?
A
ventral rami of C5-T1
3
Q
what does the brachial plexus pass through?
A
cervicoaxillary canal
4
Q
upper trunk
A
fusion of C5 and C6
5
Q
middle trunk
A
continuation of C7
6
Q
lower trunk
A
fusion of C8 and T1
7
Q
divisions?
A
anterior and posterior
8
Q
anterior division
A
extension of trunks that contribute to lateral and medial cords
9
Q
posterior division
A
extension of all three trunks to form the posterior cord
10
Q
lateral cord
A
C5 C6 C7
union of two anterior divisions
11
Q
medial cord
A
direct continuation of the anterior portion of the lower trunk
12
Q
posterior cord
A
union of the three posterior divisions
all levels!!
