muscle origins and insertions

Sartorius — Origin

Anterior superior iliac spine

Sartorius — Insertion

Medial aspect of proximal tibia

Gracilis — Origin

Inferior ramus and body of pubis; ischial ramus

Gracilis — Insertion

Medial surface of tibia

Rectus femoris — Origin

Anterior inferior iliac spine; superior margin of acetabulum

Rectus femoris — Insertion

Patella; tibial tuberosity

Vastus lateralis — Origin

Greater trochanter; linea aspera

Vastus lateralis — Insertion

Patella; tibial tuberosity

Vastus intermedius — Origin

Proximal femur shaft

Vastus intermedius — Insertion

Patella; tibial tuberosity

Vastus medialis — Origin

Linea aspera

Vastus medialis — Insertion

Patella; tibial tuberosity

Gluteus maximus — Origin

Dorsal ilium; sacrum; coccyx

Gluteus maximus — Insertion

Gluteal tuberosity of femur; iliotibial tract

Gluteus medius — Origin

Superior lateral surface of ilium

Gluteus medius — Insertion

Greater trochanter of femur

Gluteus minimus — Origin

Inferior lateral surface of ilium

Gluteus minimus — Insertion

Greater trochanter of femur

Biceps femoris — Origin

Ischial tuberosity; linea aspera; distal femur

Biceps femoris — Insertion

Fibular head; lateral condyle of tibia

Semitendinosus — Origin

Ischial tuberosity

Semitendinosus — Insertion

Medial, upper tibial shaft

Semimembranosus — Origin

Ischial tuberosity

Semimembranosus — Insertion

Medial condyle of tibia

Gastrocnemius — Origin

Medial and lateral condyles of femur

Gastrocnemius — Insertion

Posterior calcaneus

Soleus — Origin

Superior tibia; fibula; interosseous membrane

Soleus — Insertion

Posterior calcaneus

Tibialis posterior — Origin

Superior tibia and fibula; interosseous membrane

Tibialis posterior — Insertion

Tarsal bones; metatarsals 2-4

Flexor digitorum longus — Origin

Posterior tibia

Flexor digitorum longus — Insertion

Distal phalanges of toes 2-5

Tibialis anterior — Origin

Lateral condyle and upper tibial shaft; interosseous membrane

Tibialis anterior — Insertion

Interior surface of medial cuneiform; first metatarsal bone

Fibularis longus — Origin

Upper portion of lateral fibula

Fibularis longus — Insertion

First metatarsal; medial cuneiform