brachial plexus Flashcards
Musculocutaneous n: cord, roots, action
Roots C5 and 6
Cord: lateral
Action: flexors in upper arm
Axillary n
Roots: C5 and 6
Cord: Posterior cord
Action: shoulder mvmts
radial n
Roots: C5-T1
Cord: posterior
Action: extensors (triceps)
median n
Roots: C6-T1
Cords: lateral and medial
Action: flexors in forearms
ulnar n
Roots: C8-T1
Cord: medial cord
Action: intrinsic muscles of hand
Leg: upper ant compartment muscles
Rectus femoris, VL, VM, VI, Sartorius, iliacus, psoas major
leg upper ant compartment muscle
femoral n.
leg upper ant compartment blood supply?
?
leg upper post compartment muscles
semitendonosus, semimembranosus, biceps femoris
upper leg post compartment n
sciatic n
upper leg medial compartment m and n
adductors (longus, brevis, magnus) and gracilis and obturator n.
LL ant comparment
tibialis anterior, extensor hallicus longus, extensor digitorum, (peroneus brevis ?)
n. deep fibularis n
LL superficial post compartment
Gastrocnemius, soleus
Tibial n.
LL deep ost compartment
Tibials posterior, flexor digitorum longus, flexor hallicus longus
n.
LL lateral compartment
fibularis longus and brevis
superficial fibularis nerve