Popliteal Fossa and Posterior Leg Flashcards
superiomedial border of popliteal fossa?
semitendinosus/semimembranosus
superolateral border of popliteal fossa?
biceps femoris
inferior border of popliteal fossa?
medial and lateral head of gastrocnemius
contents of popliteal fossa?
termination of small saphenous vein popliteal arteries and veins tibial and common fibular arteries posterior cutaneous nerve of thigh popliteal lymph nodeses plantaris and popliteaus muscles
name the superficial muscles in the posterior leg?
gastrocnemius (2 head)
soleus
plantaris
what is the nerve supply to the superficial muscles in the posterior leg?
tibial nerve
what movement do all the superficial muscles in the posterior leg do?
plantarflex ankle
what divides the superficial and deep muscles in the posterior leg?
transverse intermuscular septum
name the deep muscles in the posterior leg?
popliteus
flexor hallucis longus
flexor digitorum longus
tibialis posterior
what nerve supplies the deep muscles in the posterior compartment
tibial nerve
what nerve supplies the posterior leg?
tibial nerve
what action do al the deep posterior leg muscles do?
plantarflex ankle
what other movement does flexor hallucis longus do?
flexes great toe
what other movement does flexor digitorum longus do?
flexes lateral 4 digits
what other movement does tibialis posterior do?
invert foot
from anterior to posterior , name the structures which leave the posterior compartment of the leg to reach the sole of the foot
(tom, dick, ANd harry)
TIBIALIS posterior tendon flexor DIGITORUM longus posterior tibial ARTEY Tibial NERVE flexor HALLUCIS LONGUS tendon
where does the tibial nerve terminate and what does it divide into?
terminates beneath flexor retinaculum
divides into medial and lateral plantar nerves
where does the posterior tibial artery terminate and what does it divide into?
terminates distal to flexor retinaculum
divides into medial and lateral plantar arteries
where does posterior tibial artery come from/
popliteal artery
where does the fibular artery come from?
posterior tibial
which artery descends in the posterior compartment adjacent to the posterior intermuscular septum
fibular artery
where would you find the sural nerves?
located within the region of popliteal fossa (mainly in superficial fascia)
what nerves give rise to the sural nerves?
tibial and fibular
where do the medial sural cutaneous come from?
tibial nerve