Muscles of Thigh (Posterior): Origin, Insertion, Action, Innervation

semimembranosus origin

ischial tuberosity

semimembranosus insertion

medial tibial condyle

semimembranosus action

hip extension and knee flexion

semimembranosus innervation

tibial nerve

semitendinosus origin

ischial tuberosity

semitendinosus insertion

medial aspect of proximal tibia

semitendinosus action

hip extension and knee flexion

semitendinosus innervation

tibial nerve

biceps femoris long head origin

ischial tuberosity

biceps femoris short head origin

lateral distal femur

biceps femoris insertion

fibular head and lateral tibial condyle

biceps femoris action

hip extension and knee flexion

biceps femoris innervation

tibial nerve