Lower Extremity Neuroanatomy Flashcards
(21 cards)
the iliohypogastric and ilioinguinal nerves arise from what nerve root?
L1
the femoral nerve arises from which nerve roots?
L2-L4
which nerve provides sensory innervation to the medial side of the leg?
saphenous nerve
which nerve provides innervation to the sartorius?
femoral nerve
which nerve provides innervation to the gracilis?
obturator nerve
which nerves supply the motor innervation to the internal oblique and transversus abdominis muscles?
iliohypogastric and ilioinguinal nerve
which nerves provide sensory innervation to the proximal thigh and external genitalia?
ilioinguinal nerve and genitofemoral nerve
which nerve is responsible for the cremasteric reflex?
genitofemoral nerve
the sacral plexus is anterior to which muscle?
piriformis
the common fibular nerve follows the medial border of which muscle immediately after its bifurcation from the sciatic nerve at the popliteal fossa?
biceps femoris
the tibial nerve runs between which two muscles of the lower leg?
gastrocnemius and soleus
which nerve innervates all of the intrinsic foot muscles?
tibial nerve
the sural nerve arises from which other two nerves?
lateral sural cutaneous and medial sural cutaneous nerves
which branch of the tibial nerve provides sensory innervation of the posterior heel?
medial calcaneal nerve
the superior gluteal nerve provides only motor innervation to what three muscles?
gluteus medius , minimus and TFL
what is the innervation of the gluteus maximus?
inferior gluteal nerve
which nerve is responsible for sensory innervation to the penis and clitoris?
pudendal nerve
which nerve s upplies motor fibers to the external anal and urethral sphincters and levator ani?
pudendal nerve
which nerve innervates abdcutor hallucis, flexor digitorum brevis and Flexor hallucis brevis?
medial plantar nerve
which nerve innervates abductor digiti minimi, interossei of the foot, adductor hallucis and flexor digiti minimi brevis?
lateral plantar nerve
