Review: Lower limb nerve supply Flashcards
nerve to gluteus maximus
inferior gluteal n.
nerve to gluteus medius and gluteus minimus
superior gluteal n.
nerve to piriformis
S1-2
nerve to obturator internus
L5, S1, S2
nerve to superior gemellus
L5, S1, S2
nerve to inferior gemellus
L5, S1
nerve to quadratus femoris
L5, S1
each nerve contributing to the sacral plecus receives _______________ from the lower end of the sympathetic chain
postganglionic sympathetic fibers
posterior division sacral plexus nerves
common peroneal n. superior gluteal n. inferior gluteal n. posterior femoral cutanteous (part) nerve to piriformis
anterior division sacral plexus nerves
tibial n. n. to obturator internus n. to quadratus femoris pudendal n. n. to levator ani
are pelvic splanchnic nerves part of the sacral plexus?
no
only nerve branch of the sacral plexus that exits above the piriformis muscle
superior gluteal n. L4-S1
cutaneous innervation to gluteal region
superior and medial cluneal n (dorsal primary rami) and inferior cluneal n. (ventral primary rami)
supply the proximal medial thigh and genital region
genital branches of genitofemoral (L1-2) and ilioinguinal n. (L1)
supplies skin over the femoral triangle
L1-2 femoral branch of genitofemoral
supplies skin of medial thigh
medial cutaneous branch of femoral n.
supplies the skin of distal anterior thigh
intermediate cutaneous branch of femoral n.
spinal origin of lateral femoral cutaneous n.
L2-3 NOT a branch of the femoral n.
supplies the lateral thigh, lateral to the intermediate cutaneous branch of the femoral n.
lateral femoral cutaneous n.
supplies the posterior thigh and popliteal region
posterior femoral cutaneous n. S1-3
nerve of the anterior compartment of the thigh (flexors of hip and extensors of knee)
femoral n.
nerve to tensor fascia latae
superior gluteal n. NOT femoral even though it is the anterior compartment
nerve of the medial compartment of thigh (adductor group)
obturator n.
nerve supply to the adductor magnus
adductor part: obturator n.
hamstring part: tibial n.
nerve of the posterior compartment of the thigh
tibial n.
innervation to the short head of the biceps femoris
common peroneal n. NOT tibial n.
sensory branches of the femoral n.
medial femoral cutaneous
intermediate femoral cutaneous n.
saphenous n.
motor branches of the femoral n. go to the following muscles…
sartorius
quadriceps femoris
articualris genu
pectineus
where is the anterior and posterior division of the obturator n. located
anterior division in front of adductor brevis and posterior behind
anterior supplies adductor longus, gracilis, adductor brevis and part of pectineus
posterior supplies obturator externus, adductor brevis and adductor magnus
supplies skin on the medial side of leg
saphenous n.
medial sural n. is a branch of
tibial n.
lateral sural n is a branch of
common peroneal n.
sural communicating nerve is a branch of …
lateral sural cutaneous and it joins with the medial sural cutaneous
formed by the junction of the medial and communicating sural cutaneous nerves
sural n.
supplies skin of anterolateral leg and dorsum of foot
superficial peroneal n.
paralysis of all anterior and lateral compartment muscles of the leg
injury to the common peroneal n.
nerve to the lateral compartment of the leg
superficial peroneal n.
nerve to the posterior compartment of the leg
tibial n.
supplies the skin of the medial side of foot as far as the 1st metatarsal
saphenous n.
continuation of the sural nerve into the foot
lateral dorsal cutaneous n.
supplies the middle part of the dorsum of the foot
superficial peroneal n. which becomes the dorsal digital n.
supplies the skin between 1st and 2nd toes
deep peroneal n.
supplies the heel area
calcaneal branches of tibial n.
supplies medial 3.5 digits
medial plantar n.
supplies lateral 1.5 digits
lateral plantar n.
branches of the tibial n.
medial calcaneal n.
medial plantar n.
lateral plantar n.
sensory innervation to the heel
medial calcaneal n.
divides into three common plantar digital nerves
medial plantar n.
each common plantar digital n. gives rise to …
two proper plantar n.
supplies cutaneous brances to medial 3.5 digits on plantar side
medial plantar n.
medial plantar n. supplies motor branches to …
abductor hallucis
flexor digitorum brevis
flexor hallucis brevis
1st lumbrical
*** the rest of the foot is supplied by the lateral plantar n.
cutaneous branches to lateral 1.5 digits plantar side
lateral plantar n.
sensory to the lateral margin of foot and lateral side of 5th toe
sural n.
sensory to the medial side of the foot
saphenous n.
