muscles of popliteal fossa Flashcards
muscle marks the supramedial border
semimembranosus
semitendinosus
origin and insertion of semitendinosus
- O - posteromedial impression of ischial tuberosity
- I - proximal end below medial condyle of tibia,
origin and insertion of semimembranosus
- O - superolateral of ischial tuberosity
- I - medial condyle of tibia
nerve supply of semitendinosus
tibial nerve
nerve supply of semimembranaosus
tibial nerve
blood supply of semimembranosus
branches of femoral and popliteal arteries
blood supply of semitendinosus
branch of femoral artery, medial femoral circumflex artery, inferior gluteal artery, inferior medial geniculate artery
muscle marks superolateral border of popliteal fossa
bicep femoris
origin and insertion of bicep femoris
- O - long head ischial tuberosity, short head - linea aspera of femur, lateral supracondylar line of femur
- I - head of fibula
nerve supply of bicep femoris
long head - tibial, short head - common fibular nerve
blood supply of bicep femoris
inferior gluteal artery, perforating arteries, popliteal artery
muscle responsible for inferomedial and inferolateral border of popliteal fossa
inferomedial - medial head of gastrocnemius
inferolateral - lateral head of gastrocnemius and plantaris
origin and insertion of gastrocnemius
- O - lateral head: posterolateral aspect of lateral condyle of femur, medial head: posterior surface of medial femoral condyle
- I - posterior surface of calcaneus
nerve supply of gastrocnemius
tibial nerve
blood supply of gastrocnemius
lateral and medial sural arteries