Lower Limb Nerves Flashcards
The lower extremity is innervated by spinal nerves originating from the ________ and ___________ Spine.
lumbar and sacral
Spinal nerves from L-spine form a nerve plexus entitled the _________ __________.
lumbar plexus
Spinal nerves from the Sacral Spine form a nerve plexus entitled the __________ ___________.
sacral plexus
Nerve Plexus is: A network of interweaving _________ __________ of spinal nerves.
anterior rami
A network of interweaving anterior rami of spinal nerves is called _____________ _______________.
nerve plexuses
________________ rami of most spinal nerves form nerve plexuses on both the right and left sides of the body.
Anterior
The anterior roots involve:
L4-S4
The posterior roots involve:
L1-L4
The lumbar nerve branches involve: (what is anterior and what is posterior)
obturator (anterior)
femoral (posterior)
The sacral nerve branches involve: (what is anterior and what is posterior)
tibial (anterior)
common fibular (posterior)
What three regions does the lumbar plexus innervate:
- upper hip
- groin
- anterior leg
What are the two parts of the femoral nerves:
1.) lateral femoral (patch by pocket on hip)
2.) saphenous (medial part of lower leg to toes)
DERMATOME ONLY
What is the name of the foramen that the obturator nerve goes through?
obturator foramen
The femoral nerve goes through the _____________________ and becomes the ______________ _______________.
adductor hiatus
popliteal artery
The femoral nerve is underneath the _______________________ ligament and next to the _________________ vein and artery.
inguinal
femoral
What three nerves involve the dermatome and myotome for the pelvis and hip?
- iliohypogastric nerve
- ilioinguinal nerve
- genitofemoral nerve
What nerve sits on the lateral part of the upper thigh?
lateral femoral cutaneous nerves
the femoral nerve is deep to the ___________ _____________
external iliac artery
What muscles are a part of the femoral nerve and are strong hip flexors?
psoas major
iliacus
Sartorius