knee muscles that do flexion and extension

physio

semimembranosus attachments

ischial tuberosity to posterior medial tibia condyle

semitendinosus attachments

ischial tuberosity to medial surface of the tibia

bicep femoris attachments

(LH) ischial tuberosity and (SH) linea aspera to head of fibula

gastrocnemius attachments

femoral condyles to calcaneum

gracilis attachments

pubic symphysis and inferior pubic ramus to medial surface of the tibia

sartorius attachments

ASIS to tibia

popliteus attachments

lateral femoral condyle to posterior tibia

rectus femoris attachments

AIIS to tibial tuberosity

vastus lateralis attachments

greater trochanter and linea aspera to tibial tuberosity

vastus medalis attachments

medial intertrochnateric lineand linea aspera to tibial tuberosity

vastus intermedalis attachments

upper 2/3 of femur to tibial tuberosity

tensor fascia lata attachments

iliac crest, ASIS to iliotibial tract