Muscles that extend the knee Flashcards
rectus femoris origin
anterior inferior iliac spine (AIIS)
rectus femoris insertion
patella and through patellar tendon to tibial tuberosity
rectus femoris action
flex hip, extend knee
rectus femoris innervation
femoral nerve
rectus femoris blood supply
superficial femoral artery
vastus lateralis origin
greater trochanter & lateral lip of linea aspera of femur
vastus lateralis insertion
patellar and through patellar tendon to tibial tuberosity
vastus lateralis action
extend knee
vastus lateralis innervation
femoral nerve
vastus lateralis blood supply
superficial femoral artery
vastus medialis origin
medial lip of linea aspera of femur
vastus medialis insertion
patella and through patellar tendon to tibial tuberosity
vastus medialis action
extend knee
vastus medialis innervation
femoral nerve
vastus medialis blood supply
superficial femoral artery & deep femoral artery
vastus intermedius origin
anterior and lateral surfaces of the femur, deep to everything else
vastus intermedius insertion
patella and through patellar tendon to tibial tuberosity
vastus intermedius action
extend knee
vastus intermedius innervation
femoral nerve
vastus intermedius blood supply
deep femoral artery
articularis genu origin
anterior distal femoral shaft
articularis genu insertion
knee joint capsule
articularis genu action
tenses and pulls the joint capsule proximally during knee extension
articularis genu innervation
femoral nerve
articularis genu blood supply
deep femoral artery
