Popliteal fossa , vessels and neves of the leg and dorsum of the foot Flashcards
what is the spuerolateral border of the popliteal fossa?
tendon of the biceps femoris
what is the superomedial border of the popliteal fossa
semimebranosus (mostly) and semitendinosus tendon
what is the inferolateral and inferomedial borders of popliteal fossa
inferolateral- lateral head of the gastrocnemius
inferomedial - medial head of the gastrocnemius
that is the roof and floor of the popliteal fossa
popliteal fascia of fascia lata
what is the floor of the popliteal fossa
posterior surface of the capsule of the knee and popliteus muscle
what are the nerves of the popliteal fossa?
termination of the posterior femoral cutaneous nerve
division of the sciatic nerve into its tibial and common fibular components
muscular and cutaneous branches of the tibial nerve
cutaneous branches of the fibular nerve
what are the others structures in the popliteal fossa other than nerves
popliteal vein and its tributaries
popliteal artery and its branches
popliteal lymph nodes and lymphatic vessels and fat
how are the contents of the popliteal fossa encountered and what are they surrounded by?
in order from superficial to deep are NERVES, veins then arteries
surround by an ample amount of packing material (fat)
what is the popliteal artery a direct continuation of?
femoral after it emerges from the adductor hiatus
deepest of the vascular structures in the popliteal fossa
when does the popliteal artery terminate?
at the inferior border of the popliteus muscle by dividing into the anterior and posterior tibial arteries
where is the medial and lateral superior genicular aa located
DEEP to hamstring musculature
pass in their respective directions SUPERFICIAL to the heads of the gastrocnemius to participate in genicular anastomosis
lateral and medial inferior genicular aa.
located DEEP to the heads of the gastrocnemius muscle
what supplies the interior knee joint?
middle genicular
arises from the ANTERIOR surface of the popliteal artery
where do the sural branches off the popliteal artyer go?
pass directly into the lateral and medial heads of the gastrocnemius
what is the course of the anterior tibial artery in proximal portion of leg versus distal portion of leg
descends b/w tibial anterior and extensor hallicus longus above
then between the tibialis anterior and extensor digitorum longus bleow
passes deep to extensor retinaculum and terminates as the dorsal pedis artery
what is the course of the anterior tibial recurrent artery
given off as soon as the anterior tibial artery courses superior to the interosseous membrane
ascends through the substance of the tibialis anterior muscle to joint the genicular anastomosis
what are the branches off the anterior tibial artery
anterior tibial recurrent
medial and lateral malleolar branches
dorsalis pedis
when does the anterior tibial turn into the dorsalis pedis?
as it passes inferior to the superior extensor retinaculum
what are the branches of the dorsalis pedis artery
lateral and medial tarsal arteries
arcuate a
first dorsal metatarsal a
deep plantar a