Nerves of the Lower Limb ñ Alphabetically
Listed
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|
Nerve |
Source |
Branches |
Motor |
Sensory |
Notes |
|
anterior femoral cutaneous n. |
femoral |
no named branches |
sympathetic motor innervation to skin |
skin of the anterior thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
cluneal, inferior |
posterior femoral cutaneous n. |
no named branches |
none |
skin of the lower part of the buttock |
"clunis" is a Latin word meaning buttock |
|
cluneal, middle |
lateral cutaneous branches of the dorsal primary rami of
spinal nerves S1-3 |
no named branches |
none |
skin of the intermediate medial portion of the buttock |
"clunis" is a Latin word meaning buttock |
|
cluneal, superior |
lateral cutaneous branches of the dorsal primary rami of
spinal nerves S1-3 |
no named branches |
none |
skin of the superomedial portion of the buttock |
"clunis" is a Latin word meaning buttock |
|
coccygeal plexus |
ventral primary rami of spinal nerves S4, S5, C1 |
anococcygeal n. |
none |
skin of the region overlying the coccyx |
only part of the S4 ventral primary ramus is contributed
to the coccygeal plexus |
|
common fibular n. |
sciatic n. |
lateral sural cutaneous n., superficial and deep fibular
nn. |
superficial fibular n.: muscles of the lateral compartment
of the leg (fibularis longus and brevis mm.); deep fibular n.: muscles of the
anterior compartment of the leg (tibialis anterior m., extensor hallucis
longus m., extensor digitorum longus m., fibularis tertius m.) and muscles of
the dorsum of the foot (extensor digitorum brevis m.and extensor hallucis
brevis m.) |
superficial fibular n.: distal 1/3 of the anterior surface
of the leg, dorsum of the foot excluding the web between the great toe and
the 2nd toe and distal interphalangeal segments of all toes; deep fibular n.:
skin of the web between the great toe and the 2nd toe |
"peroneal" is old terminology which has been
replaced by "fibular" |
|
common plantar digital nn. |
medial plantar n. (1st-3rd); superficial br. of the
lateral plantar n. (4th) |
proper plantar digital nn. |
1st lumbrical m. |
skin of the plantar surface of the toes (except the medial
side of the great toe and the lateral side of the 5th toe) |
the dorsal surfaces of the distal tips of the toes (nail
bed regions) are supplied by the proper plantar digital brs. of these nn. |
|
deep fibular n. |
common fibular n. |
one proper digital br. |
muscles of the anterior compartment of the leg (tibialis
anterior m., extensor hallucis longus m., extensor digitorum longus m.,
fibularis tertius m.) and muscles of the dorsum of the foot (extensor
digitorum brevis m.and extensor hallucis brevis m.) |
skin of the web between the great toe and the 2nd toe |
"peroneal" is old terminology which has been
replaced by "fibular"; anterior compartment syndrome - trauma to
the anterior side of the leg can result in pressure buildup in the anterior
compartment (from swelling or bleeding) that can damage the deep fibular n.,
resulting in "foot drop" |
|
digital, common plantar |
medial plantar n. (1st-3rd); superficial br. of the
lateral plantar n. (4th) |
proper plantar digital nn. |
1st lumbrical m. |
skin of the plantar surface of the toes (except the medial
side of the great toe and the lateral side of the 5th toe) |
the dorsal surfaces of the distal tips of the toes (nail
bed regions) are supplied by the proper plantar digital brs. of these nn. |
|
digital, proper plantar |
common plantar digital; medial plantar n. (to the medial
side of the great toe); superficial br. of the lateral plantar n. (to the
lateral side of the 5th toe) |
no named branches |
flexor hallucis brevis m. (from the proper plantar digital
n. on the medial side of the great toe) |
skin of the plantar surface of the toes and dorsal surface
of the distal interphalangeal segment |
the nail bed is supplied by the proper plantar digital nn. |
|
femoral cutaneous, anterior |
femoral |
no named branches |
sympathetic motor innervation to skin |
skin of the anterior thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
femoral cutaneous, lateral |
lumbar plexus (ventral primary rami of spinal nerves
L2-L3) |
anterior & posterior brs. |
sympathetic motor innervation to skin |
skin of the lateral thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
femoral cutaneous, posterior |
sacral plexus (ventral primary rami of spinal nerves
S1-S3) |
inferior cluneal nn.; perineal br. |
sympathetic motor innervation to skin |
skin of the lower buttock & posterior thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
femoral n. |
lumbar plexus (ventral primary rami of spinal nerves
L2-L4) |
anterior femoral cutaneous brs., nn. to: sartorius m.,
rectus femoris m., vastus lateralis m., vastus intermedius m., vastus
medialis m., pectineus m. |
sartorius, rectus femoris, vastus lateralis, vastus
intermedius, vastus medialis, pectineus |
skin of anterior thigh |
passes under inguinal ligament lateral to femoral a. |
|
fibular, common |
sciatic n. |
lateral sural cutaneous n., superficial and deep fibular
nn. |
superficial fibular n.: muscles of the lateral compartment
of the leg (fibularis longus and brevis mm.); deep fibular n.: muscles of the
anterior compartment of the leg (tibialis anterior m., extensor hallucis
longus m., extensor digitorum longus m., fibularis tertius m.) and muscles of
the dorsum of the foot (extensor digitorum brevis m.and extensor hallucis
brevis m.) |
superficial fibular n.: distal 1/3 of the anterior surface
of the leg, dorsum of the foot excluding the web between the great toe and
the 2nd toe and distal interphalangeal segments of all toes; deep fibular n.:
skin of the web between the great toe and the 2nd toe |
"peroneal" is old terminology which has been
replaced by "fibular" |
|
fibular, deep |
common fibular n. |
one proper digital br. |
muscles of the anterior compartment of the leg (tibialis
anterior m., extensor hallucis longus m., extensor digitorum longus m.,
fibularis tertius m.) and muscles of the dorsum of the foot (extensor
digitorum brevis m.and extensor hallucis brevis m.) |
skin of the web between the great toe and the 2nd toe |
"peroneal" is old terminology which has been
replaced by "fibular"; anterior compartment syndrome - trauma to
the anterior side of the leg can result in pressure buildup in the anterior
compartment (from swelling or bleeding) that can damage the deep fibular n.,
resulting in "foot drop" |
|
fibular, superficial |
common fibular n. |
medial dorsal cutaneous n. to the medial side of the foot;
dorsal digital nn. to the lateral 3 toes |
muscles of the lateral compartment of the leg (fibularis
longus and brevis mm.) |
distal 1/3 of the anterior surface of the leg; dorsum of
the foot excluding the skin of the web between the great toe and the 2nd toe
and the distal interphalangeal segments of all toes |
"peroneal" is old terminology which has been
replaced by "fibular"; the nail beds are supplied by nerves from
the plantar surface of the foot |
|
genitofemoral n. |
lumbar plexus (ventral primary rami of spinal nerves
L1-L2) |
genital br., femoral br. |
cremaster m. |
skin of the anterior scrotum/labia majora & upper
medial thigh |
genitofemoral n. lies on the anterior surface of the psoas
major in the abdomen; the genital br. passes through the deep inguinal ring
and inguinal canal; brushing the thigh elicits an elevation of the testis via
the cremasteric reflex |
|
gluteal, inferior |
sacral plexus (ventral primary rami of spinal nerves L5,
S1-S2) |
no named branches |
gluteus maximus m. |
none |
inferior gluteal n. passes through the greater sciatic
foramen inferior to the piriformis m. |
|
gluteal, superior |
sacral plexus (ventral primary rami of spinal nerves
L4-L5, S1) |
superior & inferior brs. |
gluteus medius m., gluteus minimus m., tensor fasciae
latae m. |
none |
superior gluteal n. passes through the greater sciatic
foramen superior to the piriformis m. |
|
lateral femoral cutaneous n. |
lumbar plexus (ventral primary rami of spinal nerves L2-L3) |
anterior & posterior brs. |
sympathetic motor innervation to skin |
skin of the lateral thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
lateral plantar n. |
tibial n. |
superficial and deep branches |
quadratus plantae m., abductor digiti minimi m., flexor
digiti minimi brevis m., lateral 3 lumbrical mm., adductor hallucis m.,
plantar & dorsal interosseous mm. |
skin of the lateral side of the plantar surface of the
foot; skin of the plantar surface of the lateral 1 1/2 toes (and the nail bed
of these toes) |
lateral plantar n. accompanies the lateral plantar a.
though the sole of the foot |
|
lateral sural cutaneous n. |
common fibular n. |
fibular communicating br. |
none |
skin of the lateral side of the leg |
contains postganglionic sympathetic axons for supply of
sweat glands, arrector pili mm. and blood vessels |
|
lumbar n. |
ventral primary rami of spinal nerves L1-L5 |
contributes to the formation of the lumbar and sacral
plexuses |
numerous: see lumbar and sacral plexuses |
numerous: see lumbar and sacral plexuses |
lumbar nn. enter into the formation of the lumbar and
sacral plexuses and do not give branches directly to muscles or skin |
|
lumbar plexus |
ventral primary rami of spinal nerves L1-L4 |
branches of the lumbar plexus: iliohypogastric n.,
ilioinguinal n., genitofemoral n., lateral femoral cutaneous n., femoral n.,
obturator n., lumbosacral trunk (considered to be part of sacral plexus),
brs. to the psoas major and minor mm., branches to the quadratus lumborum m. |
muscles of the lower abdominal wall; cremaster m., psoas
major and minor mm., quadratus lumborum m., iliacus m.; muscles of the
anterior and medial thigh and hip |
skin of the lower abdominal wall, skin of the anterior
scrotum/labium majus, skin of the anterior and medial thigh and lateral hip |
lumbar plexus is noted for its variable branching pattern
of nerves that supply the abdominal wall |
|
lumbosacral plexus |
ventral primary rami of spinal nerves L4-S4 |
branches of the lumbosacral plexus: iliohypogastric n.,
ilioinguinal n., genitofemoral n., lateral femoral cutaneous n., femoral n.,
obturator n., lumbosacral trunk (considered to be part of sacral plexus),
brs. to the psoas major and minor mm., branches to the quadratus lumborum m.,
superior & inferior gluteal nn., n. to the obturator internus m., n. to
the quadratus femoris m., sciatic n., n. to the piriformis m., posterior
femoral cutaneous n., pudendal n., n. to the pelvic diaphragm, pelvic
splanchnic nn. |
muscles of the lower abdominal wall; cremaster m., psoas
major and minor mm., quadratus lumborum m., iliacus m.; muscles of the
anterior and medial thigh and hip, muscles of the pelvic & urogenital
diaphragm, posterior hip, posterior thigh, leg and foot |
skin of the lower abdominal wall, skin of the anterior
scrotum/labium majus, skin of the anterior and medial thigh and lateral hip'
skin of the perineum, posterior thigh, leg and foot |
also known as: lumbar & sacral plexuses |
|
lumbosacral trunk |
part of the ventral primary ramus of L4 united with the
ventral primary ramus of L5 |
no named branches; it contributes to the formation of the
sacral plexus |
muscles of the hip and posterior thigh |
see sacral plexus |
the lumbosacral trunk is not considered to be part of the
lumbar plexus |
|
medial sural cutaneous n. |
tibial n. |
no named branches |
none |
skin of the posterior surface of the leg; skin of the
lateral side of the foot |
unites with fibular communicating br. to form the sural n. |
|
obturator internus m., n. to |
sacral plexus (ventral primary rami of spinal nerves L5-S2
) |
n. to the superior gemellus m. |
obturator internus m., superior gemellus m. |
none |
nerve to obturator internus m. crosses the ischial spine
and enters the ischioanal fossa by passing through the lesser sciatic foramen |
|
obturator n. |
lumbar plexus (ventral primary rami of spinal nerves
L2-L4) |
anterior and posterior brs. |
muscles of the medial thigh: adductor longus m., adductor
brevis m. and adductor magnus m., gracilis m., obturator externus m. |
skin of the lower medial thigh |
obturator n. passes through the obturator canal |
|
perforating cutaneous n. |
sacral plexus (ventral primary rami of spinal nerves S2-3) |
no named branches |
none |
skin of the inferomedial buttock |
perforating cutaneous n. pierces the sacrotuberous
ligament |
|
peroneal, common |
SEE: fibular, common |
. |
. |
. |
"peroneal" is old terminology which has been
replaced by fibular |
|
peroneal, deep |
SEE: fibular, deep |
. |
. |
. |
"peroneal" is old terminology which has been
replaced by fibular |
|
peroneal, superficial |
SEE: fibular, superficial |
. |
. |
. |
"peroneal" is old terminology which has been
replaced by fibular |
|
plantar digital, common |
medial plantar n. (1st-3rd); superficial br. of the
lateral plantar n. (4th) |
proper plantar digital nn. |
1st lumbrical m. |
skin of the plantar surface of the toes (except the medial
side of the great toe and the lateral side of the 5th toe) |
the dorsal surfaces of the distal tips of the toes (nail
bed regions) are supplied by the proper plantar digital brs. of these nn. |
|
plantar digital, proper |
common plantar digital; medial plantar n. (to the medial
side of the great toe); superficial br. of the lateral plantar n. (to the
lateral side of the 5th toe) |
no named branches |
flexor hallucis brevis m. (from the proper plantar digital
n. on the medial side of the great toe) |
skin of the plantar surface of the toes and dorsal surface
of the distal interphalangeal segment |
the nail bed is supplied by the proper plantar digital nn. |
|
plantar, lateral |
tibial n. |
superficial and deep branches |
quadratus plantae m., abductor digiti minimi m., flexor
digiti minimi brevis m., lateral 3 lumbrical mm., adductor hallucis m.,
plantar & dorsal interosseous mm. |
skin of the lateral side of the plantar surface of the
foot; skin of the plantar surface of the lateral 1 1/2 toes (and the nail bed
of these toes) |
lateral plantar n. accompanies the lateral plantar a.
though the sole of the foot |
|
plantar, medial |
tibial n. |
plantar cutaneous brs.; proper plantar digital n. (medial
side of the great toe); common plantar digital nn. (1st-3rd) |
abductor hallucis m., flexor hallucis brevis m., flexor
digitorum brevis m., 1st lumbrical m. |
skin of the medial side of the plantar surface of the
foot; skin of the plantar surface of the medial 3 1/2 toes (and the nail bed
of these toes) |
medial plantar n. accompanies the medial plantar a. though
the sole of the foot |
|
plexus, lumbar |
ventral primary rami of spinal nerves L1-L4 |
branches of the lumbar plexus: iliohypogastric n.,
ilioinguinal n., genitofemoral n., lateral femoral cutaneous n., femoral n.,
obturator n., lumbosacral trunk (considered to be part of sacral plexus),
brs. to the psoas major and minor mm., branches to the quadratus lumborum m. |
muscles of the lower abdominal wall; cremaster m., psoas
major and minor mm., quadratus lumborum m., iliacus m.; muscles of the
anterior and medial thigh and hip |
skin of the lower abdominal wall, skin of the anterior
scrotum/labium majus, skin of the anterior and medial thigh and lateral hip |
lumbar plexus is noted for its variable branching pattern
of nerves that supply the abdominal wall |
|
plexus, lumbosacral |
ventral primary rami of spinal nerves L4-S4 |
branches of the lumbosacral plexus: iliohypogastric n.,
ilioinguinal n., genitofemoral n., lateral femoral cutaneous n., femoral n.,
obturator n., lumbosacral trunk (considered to be part of sacral plexus),
brs. to the psoas major and minor mm., branches to the quadratus lumborum m.,
superior & inferior gluteal nn., n. to the obturator internus m., n. to
the quadratus femoris m., sciatic n., n. to the piriformis m., posterior
femoral cutaneous n., pudendal n., n. to the pelvic diaphragm, pelvic
splanchnic nn. |
muscles of the lower abdominal wall; cremaster m., psoas
major and minor mm., quadratus lumborum m., iliacus m.; muscles of the
anterior and medial thigh and hip, muscles of the pelvic & urogenital
diaphragm, posterior hip, posterior thigh, leg and foot |
skin of the lower abdominal wall, skin of the anterior
scrotum/labium majus, skin of the anterior and medial thigh and lateral hip'
skin of the perineum, posterior thigh, leg and foot |
also known as: lumbar & sacral plexuses |
|
plexus, sacral |
lumbosacral trunk (ventral primary rami of spinal nerves
L4-L5), ventral primary rami of spinal nerves S1-S4 |
superior & inferior gluteal nn., n. to obturator
internus m., n. to quadratus femoris m., sciatic n., n. to piriformis,
posterior femoral cutaneous n., pudendal n., n. to pelvic diaphragm, pelvic
splanchnic nn. |
muscles of the pelvic diaphragm; muscles of the urogenital
diaphragm; muscles of the posterior hip, posterior thigh, leg and foot |
skin of the perineum, posterior thigh, leg and foot
(excluding the medial side of the leg and foot) |
the sacral plexus is often grouped with the lumbar plexus
as the "lumbosacral plexus" |
|
posterior femoral cutaneous n. |
sacral plexus (ventral primary rami of spinal nerves
S1-S3) |
inferior cluneal nn.; perineal br. |
sympathetic motor innervation to skin |
skin of the lower buttock & posterior thigh |
cutaneous nn. carry postganglionic sympathetic axons to
skin |
|
proper plantar digital nn. |
common plantar digital; medial plantar n. (to the medial
side of the great toe); superficial br. of the lateral plantar n. (to the
lateral side of the 5th toe) |
no named branches |
flexor hallucis brevis m. (from the proper plantar digital
n. on the medial side of the great toe) |
skin of the plantar surface of the toes and dorsal surface
of the distal interphalangeal segment |
the nail bed is supplied by the proper plantar digital nn. |
|
quadratus femoris m., n. to |
sacral plexus (ventral primary rami of spinal nerves
L4-L5, S1) |
n. to the inferior gemellus m. |
quadratus femoris m., inferior gemellus m. |
none |
nerve to the quadratus femoris m. passes anterior to the
obturator internus tendon |
|
sacral plexus |
lumbosacral trunk (ventral primary rami of spinal nerves
L4-L5), ventral primary rami of spinal nerves S1-S4 |
superior & inferior gluteal nn., n. to obturator
internus m., n. to quadratus femoris m., sciatic n., n. to piriformis,
posterior femoral cutaneous n., pudendal n., n. to pelvic diaphragm, pelvic
splanchnic nn. |
muscles of the pelvic diaphragm; muscles of the urogenital
diaphragm; muscles of the posterior hip, posterior thigh, leg and foot |
skin of the perineum, posterior thigh, leg and foot
(excluding the medial side of the leg and foot) |
the sacral plexus is often grouped with the lumbar plexus as
the "lumbosacral plexus" |
|
saphenous n. |
femoral n. |
infrapatellar br. |
none |
skin of the medial side of the leg and medial side of the
foot |
saphenous n. travels with the great saphenous v.; it does
not pass through the adductor hiatus at the knee; it passes anterior to the
medial malleolus at the ankle |
|
sciatic n. |
sacral plexus (ventral primary rami of spinal nerves L4-L5
and S1-S3) |
tibial n., common fibular (peroneal) n. |
semitendinosus m., semimembranosus m., biceps femoris m.,
ischioconylar part of the adductor magnus m.; its branches supply all muscles
of the leg and foot |
its branches supply the skin of the leg and foot
(excluding the medial side of leg & foot) |
sciatic n. is composed of tibial and common fibular
divisions; branches to muscles come from one of the two divisions, so that
the sciatic n. is considered to have no direct muscular brs., only 2 terminal
brs. |
|
superficial fibular n. |
common fibular n. |
medial dorsal cutaneous n. to the medial side of the foot;
dorsal digital nn. to the lateral 3 toes |
muscles of the lateral compartment of the leg (fibularis
longus and brevis mm.) |
distal 1/3 of the anterior surface of the leg; dorsum of
the foot excluding the skin of the web between the great toe and the 2nd toe
and the distal interphalangeal segments of all toes |
"peroneal" is old terminology which has been
replaced by "fibular"; the nail beds are supplied by nerves from
the plantar surface of the foot |
|
superior gluteal n. |
sacral plexus (ventral primary rami of spinal nerves
L4-L5, S1) |
superior & inferior brs. |
gluteus medius m., gluteus minimus m., tensor fasciae
latae m. |
none |
superior gluteal n. passes through the greater sciatic
foramen superior to the piriformis m. |
|
sural cutaneous, lateral |
common fibular n. |
fibular communicating br. |
none |
skin of the lateral side of the leg |
contains postganglionic sympathetic axons for supply of
sweat glands, arrector pili mm. and blood vessels |
|
sural cutaneous, medial |
tibial n. |
no named branches |
none |
skin of the posterior surface of the leg; skin of the
lateral side of the foot |
unites with fibular communicating br. to form the sural n. |
|
sural n. |
formed by the union of the fibular communicating br. of
the lateral sural cutaneous n. and the medial sural cutaneous nn. |
lateral calcaneal brs., lateral dorsal cutaneous n. of the
foot |
none |
skin of the posterior surface of the lower leg; skin of
the lateral side of the foot |
sural n. courses posterior to the lateral malleolus at the
ankle with the lesser saphenous v. |
|
tibial n. |
sciatic n. |
medial sural cutaneous n., medial calcaneal brs., medial
and lateral plantar nn. |
semimembranosus m., semitendinosus m., long head of biceps
femoris m., ischiocondylar portion of adductor magnus m.; mm. of the
superficial and deep posterior compartments of the leg (gastrocnemius m.,
soleus m., plantaris m., tibialis posterior m., flexor hallucis longus m.,
flexor digitorum longus m.); muscles of the plantar side of the foot |
skin of the plantar surface of the foot and toes; skin of
the dorsal surface of the distal toes (nail bed region) |
tibial n. is the larger of the two divisions of the
sciatic n. |
|
to obturator internus m. |
sacral plexus (ventral primary rami of spinal nerves L5-S2
) |
n. to the superior gemellus m. |
obturator internus m., superior gemellus m. |
none |
nerve to obturator internus m. crosses the ischial spine
and enters the ischioanal fossa by passing through the lesser sciatic foramen |
|
to quadratus femoris m. |
sacral plexus (ventral primary rami of spinal nerves
L4-L5, S1) |
n. to the inferior gemellus m. |
quadratus femoris m., inferior gemellus m. |
none |
nerve to the quadratus femoris m. passes anterior to the
obturator internus tendon |