upper leg Flashcards
vastus medialis
O - medial femur
I - tibial tuberosity via patella tendon
A - extend knee
vastus lateralis
O: lateral femur
I: tibial tuberosity via patella tendon
A: extends knee
vastus intermedius
O: anterior femur
I: tibial tuberosity via patella tendon
A: extends knee
rectus femoris
O: anterior inferior iliac spine
I: tibialis tuberosity via patellar tendon
A: flexes hip, extends knee
semimembranosus
O: ischial tuberosity
I: posterior portion of medial epicondyle of tibia
A: flexes knee, extends hip
semitendinosus
O: ischial tuberosity
I: anteromedial portion of proximal tibia
A: flexes knee, extends hip
bicep femoris
O: ischial tuberosity and linea aspera of femur
I: fibular head
A: flexes knee, extends hip, laterally rotates leg
sartorius
O: anterior superior iliac spine
I: anteromedial portion of proximal tibia
A: flexes, externally rotates, abducts hip
glute max
O: lateral sacrum and gluteal surface of ilium
I: gluteal tuberosity of femur and IT band
A: extend, laterally rotate femur
glute medius
O: gluteal surface of ilium
I: greater trochanter
A: abduct femur
glute minimus
O: gluteal surface of ilium
I: greater trochanter
A: abduct, medially rotate femur
piriformis
O: anterior sacrum
I: greater trochanter
A: abduct, externally rotate femur
tensor fascia latae
O: anterior superior iliac spine
I: lateral tibia via iliotibial band
A: flexes, abducts hip
adductor longus
O: ramis of pubis
I: middle 1/3 of linea aspera
A: adduct femur
adductor brevis
O: ramis of pubis
I: lesser trochanter and linea aspera of femur
A: adduct femur
