Quiz 6 Flashcards
What are the borders of the borders of the popliteal fossa?
superomedial: semitendinosus and semimembranosus
superolateral: biceps femoris
inferomedial: medial head of gastocnemius
inferolateral: lateral head of gastrocnemius and plantaris
the popliteal fascia is continuous with?
the fascia lata superiorly
the crural fascia inferiorly
what makes up the floor of the popliteal fossa?
popliteal surface of femur
knee joint capsule
oblique popliteal ligament
popliteus muscle
what are the superficial contents of the popliteal fossa?
skin subcutaneous tissue superficial popliteal lymph nodes posterior femoral cutaneous nerve small saphenous vein medial and lateral sural cutaneous nerves
what are the deep contents of the popliteal fossa?
deep popliteal lymph nodes
tibial and common fibular nerves
popliteal vein and its tributaries
popliteal artery and its branches
where is does the popliteal artery start and terminate? what are its terminal branches?
starts at adductor hiatus
terminates at the soleal line where it bifurcates into the anterior and posterior tibial arteries
when does the popliteal artery develop?
weeks 6-7 in utero
what are the branches of the popliteal artery?
superior muscular branches superior medial genicular artery superior lateral genicular artery middle genicular artery sural branches inferior medial genicular artery inferior lateral genicular artery
which branch of the popliteal artery does NOT contribute to the genicular anastomosis?
middle genicular artery
what 9 branches contribute to the genicular anastomosis?
descending branch of lateral circumflex femoral a. descending genicular a. superior medial genicular a. superior lateral genicular a. inferior medial genicular a. inferior lateral genicular a. circumflex fibular a. recurrent branch of anterior tibial a. posterior recurrent tibial a.
where is the popliteal artery located within the fossa?
deep to the tibial nerve and popliteal v.
what tributary of the popliteal vein enters the popliteal fossa?
small saphenous v.
where does the small saphenous v. originate and what is it a continuation of?
posterior to the lateral malleolus
continuation of the lateral marginal v.
what nerve does the small saphenous v. travel with?
sural n. distally
medial sural cutaneous proximally
what does the sural n. innervate?
ONLY cutaneous innervation of skin of posterior/lateral calf