what type of innervation does the brachial plexus give
motor
sensory
sympathetic innervation
what type of rami?
ventral rami of C5-T1
what does the brachial plexus pass through?
cervicoaxillary canal
upper trunk
fusion of C5 and C6
middle trunk
continuation of C7
lower trunk
fusion of C8 and T1
divisions?
anterior and posterior
anterior division
extension of trunks that contribute to lateral and medial cords
posterior division
extension of all three trunks to form the posterior cord
lateral cord
C5 C6 C7
union of two anterior divisions
medial cord
direct continuation of the anterior portion of the lower trunk
posterior cord
union of the three posterior divisions
all levels!!