Lumbrosacral plexus Flashcards
1
Q
Peroneal nerve entrapment sites
A
- fibular neck
- post op
- trauma
- stretch (leg crossing)
- compression - fibular tunnel
- superficial peroneal sensory (tight boots)
- anterior tarsal tunnel
2
Q
Lumbar plexes entrapment
A
- retroperitoneal behind psaos
3
Q
Lower lumbrosacral plexus
A
L4,5 roots decent into pelvic outlet to join sacral plexus
4
Q
what does superficial peroneal nerve supply
A
(L4, S2 )
- perenus longus
peroneus brevis
cutaneous branches
5
Q
what does deep peroneal nerve supply
A
tibialis anterior EDL EHL peroneaus tertius EDB
6
Q
obturator nerve
A
adductor magnus
adductor brevis
adductor longus
Gracilis
L2-4 ( comes from)
7
Q
femoral nerve branches
A
L2,3,4
- rectus femoris
- vastus medialis
- vastus lateralis
- vastus intermedialis
- pectinous
ileus - sartorius
8
Q
Tibial nerve is a branch from
A
Sciatic nerve
9
Q
common perineal nerve is a branch from
A
sciatic branches ( L4,S3) biceps femoris (short and long head) semimembranous semitendinous adductor magnus
tibial
common perineal nerve
10
Q
nerve branches of superior gluteal nerve
A
L4,5,S1
11
Q
branch of posterior cutaneous nerve of thigh
A
S1-3
12
Q
pudendal nerve
A
S2-4
