leg muscles origins and insertions

gastrocnemius

medial and lateral condyles of femur : posterior calcaneus

soleus

superior tibia, fibula, interosseous membrane : posterior calcaneus

tibialis posterior

superior tibia and fibula, interosseous membrane : interior surface of medial cuneiform, first metatarsal bone

flexor digitorum longus

posterior tibia : distal phalanges of toes 2-5

gluteus maximus

dorsal ilium, sacrum, coccyx : gluteal tuberosity of femur, iliotibial tract

gluteus medius

superior lateral surface of ilium : greater trochanter of femur

gluteus minimus

inferior lateral surface of ilium : greater trochanter of femur

biceps femoris

ischial tuberosity, linea aspera, distal femur : fibular head, lateral condyle of tibia

semitendinosus

ischial tuberosity : medial, upper tibial shaft

semimembranosus

ischial tuberosity : medial condyle of tibia

rectus femoris

anterior inferior iliac spine, superior margin of acetabulum : patella, tibial tuberosity

vastus intermedius

proximal femur shaft : patella, tibial tuberosity

vastus lateralis

greater trochanter : patella, tibial tuberosity

vastus medialis

linea aspera : patella, tibial tuberosity

sartorius

anterior superior iliac spine : medial aspect of proximal tibia

gracilis

inferior ramus and body of pubis, ischial ramus : medial surface of tibia

tibialis anterior

lateral condyle and upper tibial shaft, interosseous membrane : interior surface of medial cuneiform, first metatarsal bone

fibularis longus

upper portion of lateral fibula : first metatarsal, medial cuneiform