brachial plexus Flashcards
which muscles does the maxillary nerve innervate?
brachialis
biceps
coracobrachialis
which roots does the maxillary nerve consist of?
C5, C6, C7
which cervical roots does the axillary nerve consist of?
C5, C6
which muscles does the axillary nerve innervate?
teres minor
deltoid
which roots does the median nerve consist of?
C6-T1
which muscles does the median nerve innervate?
the forearm flexors
pronator teres and quadratus
flexor digitorum profundus (middle and index)
thenar muscles
what is the sensory innervation of the median nerve?
lateral palm (half of index, middle and ring)
dorsum of distal index and middle finger
medial thumb
which roots does the radial nerve consist of?
C5-T1
which muscles does radial nerve innervate?
wrist and finger extensors
triceps
supinator
brachioradialis
what is the sensory innervation of the radial nerve?
posterior arm and forearm
posterolateral hand (dorsum)
which roots does the ulnar nerve consist of ?
C8-T1
which muscles does the ulnar nerve innervate?
flexor carpi ulnaris
flexor digitorum profundus (ring and little finger)
what is the sensory innervation of the ulnar nerve?
dorsal and palmar surface of the ring and little finger
which reflex and motor function would you check for C5 clinical testing?
reflex: biceps tendon
motor: deltoid
which reflex and motor function would you test for C6 clinical testing?
reflex: brachioradialis
motor: wrist extension
