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28 Cards in this Set

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what are the 5 key nerves from the brachial plexus?
mARMu

m: musculocutaneous
A: Axillary
R: Radial
M: Median
u: ulnar
roots of musculocutaneous nerve?
C5,6,7
roots of Axillary nerve?
C5,6
roots of Radial nerve?
C5,6,7,8
roots of Median nerve?
C6,7,8,T1
roots of ulnar nerve?
C8,T1
roots of long thoracic nerve?
C5,6,7
what 2 nerves of the brachial plexus share the same 3 roots?
musculocutaneous and long thoracic nerve: C5,6,7
roots of the superior trunk of brachial plexus? inferior trunk?
C5,6

C8,T1
the lateral cord contributes to what 2 nerves?
musculocutaneous and median
the medial cord contributes to what 2 nerves?
median and ulnar
the posterior cord contributes to what 2 nerves?
axillary and radial

PAR for the course:
Posterior:
Axillary
Radial
muscle and innervation for inspiration?
diaphragm

C3,4,5
muscle and innervation for shoulder abduction?
deltoid

C5
muscle and innervation for elbow flexion?
biceps brachii, brachialis

C5,6
muscle and innervation for wrist extension?
extensor carpi, radialis longus and brevis

C6,7
muscle and innervation for elbow extension?
triceps brachii

C7,8
muscle and innervation for finger flexion?
flexor digitorum superficialis and profundus

C8
muscle and innervation for finger abduction and adduction?
interossei muscles

C8, T1
muscle and innervation for thigh adduction?
adductor longus and brevis

L2,3
muscle and innervation for knee extension?
quadriceps

L3,4
muscle and innervation for ankle dorsiflexion?
tibialis anterior

L4,5
muscle and innervation for great toe extension?
extensor hallucis longus

L5,S1
muscle and innervation for ankle plantar flexion?
gastrocnemius soleus

S1,2
muscle and innervation for anal contraction? anal dermatome?
sphincter ani externus

S2,3,4

dermatome: S5
pain over sacro-iliac joint, hip, posterolateral thigh and leg to heel; numbness over back of calf and lateral heel foot to toe; difficulty walking on toes; atrophy of calf

what disc is herniated?
L5-S1 disc, compressing S1 nerve root
umbilical dermatome? nipples?
T10 (belly butTEN)

T4
dermatome on sole of the foot?
L5