OIAs that move knee joint

biceps femoris short head and vastus medialis origin

linea aspera of femur

biceps femoris short head insertion

head of fibula and lateral condyle of tibia

biceps femoris short head action

flexes leg/knee

vastus lateralis insertion

greater trochanter and linea aspera of femur

vastus lateralis, medius and intermedius insertion

tibial tuberosity via patella

vastus lateralis, medius and intermedius action

extends leg/knee

vastus intermedius origin

anterior surface of femur

popliteus origin

lateral condyle of femur

popliteus insertion

proximal portion of tibia

popliteus action

flexes and rotates leg/knee

gastrocnemius origin

medial and lateral condyles of femur

gastorcnemius insertion

calcaneus

gastrocnemius action

flexes leg/knee and plantar flexes foot