Hip and Lower Extremity Anatomy Flashcards
glute max actions
extension and lateral rotation of hip/thigh
IT band attachments
iliac crest and lateral tibia
glute med actions
aBduction of hip/thigh
stabilization of pelvis during walking
glute min actions
aBduction of hip/thigh
stabilization of pelvis during walking
piriformis actions
lateral rotation of hip/thigh
sciatic nerve ventral rami, plexus
L4-S3, sacral plexus
what does sciatic nerve innervate in glutes
none
what does superior gluteal nerve innervate
glute med, glute min
what does inferior gluteal nerve innervate
glute max
what does posterior femoral cutaneous nerve innervate
skin of lower glute and posterior thigh
cutaneous innervation of glutes
superior cluneal nerves
middle cluneal nerves
posterior femoral cutaneous nerve
superior gluteal artery is a branch of …
internal iliac artery
inferior gluteal artery is a branch of …
internal iliac artery
superior gluteal artery supplies …
glute med and min
inferior gluteal artery supplies …
glute max
glute min innervation
superior gluteal nerve
glute max blood supply
inferior gluteal artery
glute med blood supply
superior gluteal artery
glute min blood supply
superior gluteal nerve
glute min blood supply
superior gluteal nerve
semitendinosus actions
flexion of leg at knee
extension of thigh at hip
reinforces knee medially
biceps femoris long head actions
flexion of leg at knee
extension of thigh at hip
semimembranosis actions
flexion of leg at knee
extension of thigh at hip
biceps femurs short head actions
flexion of leg at knee
biceps femurs short head actions
flexion of leg at knee
biceps femoris innervation
sciatic nerve
semitendinosis innervation
sciatic nerve
semimembranosis actions
sciatic nerve
profunda femoris supplies …
posterior compartment of thigh
biceps femoris blood supply
profunda femoris
semitendinosis blood supply
profunda femoris
semimembranosis blood supply
profunda femoris
sartorius actions
flexion of thigh at hip
flexion of knee at leg
rectus femoris actions
flexion of thigh at hip
extension of leg at knee
vastus lateralis actions
extension of leg at knee
vastus intermedius actions
extension of leg at knee
vastus medialis actions
extension of leg at knee
femoral nerve innervates …
anterior (extensor) compartment of thigh
sensory and motor
femoral nerve comes from …
lumbar plexus (L2-L4)
femoral artery supplies …
anterior (extensor) compartment of thigh
femoral artery comes from …
external iliac artery
cutaneous innervation anterior thigh
femoral nerve
cutaneous innervation lateral thigh
lateral cutaneous nerve
from lumbar plexus
cutaneous innervation inner thigh
obturator nerve
from lumbar plexus
saphenous vein drains … into …
drains foot, leg, and thigh
into femoral vein
name the aDductors of thigh
pectinous adductor longus gracilis adductor brevis adductor magnus
name the extensors of the leg at knee
quadriceps: rectus femoris vastus lateralis vastus intermedius vastus medialis
name the flexors of leg at knee
hamstrings:
biceps femoris
semitendinosis
semimembranosis
adductor longus actions
aDducts thigh
gracilis actions
aDducts thigh
adductor brevis actions
aDducts thigh
adductor magnus actions
aDducts thigh
obturator nerve innervates …
medial (adductor) compartment of thigh
adductor longus innervation
obturator nerve
gracilis innervation
obturator nerve
adductor brevis innervation
obturator nerve
adductor Magnus innervation
obturator nerve
obturator nerve can be found at …
adductor brevis
obturator artery supplies …
medial (aDductor) compartment of thigh
adductor longus blood supply
obturator artery
gracilis blood supply
obturator artery
adductor brevis blood supply
obturator artery
adductor Magnus blood supply
obturator artery
the pes anserinus is formed by the tendons of which muscles?
semitendinosis
gracilis
sartorius
what is the adductor hiatus
opening in adductor Magnus for femoral artery and vein to pass through
what ventral rami form obturator nerve?
L2-L4 (lumbar plexus)
ligaments of hip
iliofemoral ligament
pubofemoral ligament
ischiofemoral ligament
borders of femoral triangle
inguinal ligament
sartorious
adductor longus
(deep: iliopsoas and pectineus)
femoral triangle contents
femoral nerve
femoral artery
femoral vein
femoral canal (lymphatics)
borders of popliteal fossa
biceps femoris
semimembranosis
gastrocnemius
popliteal fossa contents
popliteal artery and vein tibial nerve common fibular nerve small saphenous vein sural nerves
tibialis anterior actions
dorsiflexes (extends) and inverts foot
extensor hallicus longus actions
extension of big toe
dorsiflexion (extension) of foot
extensor digitorum longus actions
extension of toes 2-5
dorsiflexion (extension) of foot
tibialis anterior innervation
deep fibular nerve
extensor hallicus longus innervation
deep fibular nerve
extensor digitorum longus innervation
deep fibular nerve
deep fibular nerve innervates …
anterior (extensor) compartment of the leg
anterior tibial artery supplies …
supplies anterior (extensor) compartment of leg
anterior tibial artery is found …
deep to tibialis anterior
anterior tibial artery is a branch of …
popliteal artery (which is a continuation of femoral artery)
deep fibular nerve is a branch of …
common fibular nerve
deep fibular nerve is found …
deep to tibialis anterior
muscles of anterior (extensor) compartment of leg
tibialis anterior
extensor hallicus longus
extensor digitorum longus
muscles of lateral compartment of leg and function
peroneus longus (superficial) peroneus brevis (deep) foot eversion
peroneus longus action
everts foot
peroneus brevis action
everts foot
superficial fibular nerve innervates …
lateral (eversion) compartment = peroneus longus and brevis
peroneus longus innervation
superficial fibular nerve
peroneus brevis innervation
superficial fibular nerve
blood supply of lateral compartment of leg
branches of posterior tibial artery and fibular artery (does not get independent blood supply)
retinacula of lateral compartment
superior fibular retinaculum
inferior fibular retinaculum
muscles of posterior compartment of leg
gastrocnemius soleus flexor hallucis longus flexor digitorum longus tibialis posterior
gastrocnemius action
flexion of leg at knee plantar flexion (flexion) of foot
soleus action
plantar flexion (flexion) of foot
flexor hallucis longus action
flexion of big toe
flexor digitorum longus action
flexion of toes 2-5
tibialis posterior action
inversion and (plantar)flexion of foot
tibial nerve innervates …
posterior compartment of leg
gastrocnemius, soleus, flexor hallucis longus, flexor digitorum longus, tibialis posterior
innervation posterior compartment of leg
tibial nerve
where to find tibial nerve
deep to soleus
blood supply to posterior compartment of leg
posterior tibial artery
fibular artery
gastrocnemius innervation
tibial nerve
soleus innervation
tibial nerve
flexor hallucis longus innervation
tibial nerve
flexor digitorum longus innervation
tibial nerve
tibialis posterior innervation
tibial nerve
gastrocnemius blood supply
posterior tibial artery and fibular artery
soleus blood supply
posterior tibial artery and fibular artery
flexor hallucis longus blood supply
posterior tibial artery and fibular artery
flexor digitorum longus blood supply
posterior tibial artery and fibular artery
tibialis posterior blood supply
posterior tibial artery and fibular artery
great saphenous vein is where
all down the medial side of the leg, superficial to fascia, drains into femoral vein
small saphenous vein is where
posterior compartment of leg
superficial to fascia, drains into popliteal vein
cutaneous innervation of (lower) leg
medial: femoral nerve
lateral proximal: common fibular nerve
anterolateral and top of foot: superficial fibular
posteriolateral (lower) and sole of foot: tibial nerve
in between big and 2nd toe: deep fibular nerve
components of tarsal tunnel
tibialis posterior tendon flexor digitorum longus tendon posterior tibial artery tibial nerve flexor hallucis longus tendon