Musculus triceps surae



Origin:
 * 1) m. gastrocnemius medialis − epicondylus medialis femoris
 * 2) m. gastrocnemius lateralis − epicondylus lateralis femoris
 * 3) m. soleus − proximal end of tibia and fibula

Attachment: tuber calcanei (by Achilles tendon = tendo calcanei)

Innervation: n. tibialis

Function:
 * 1) knee joint - flexion (gastrocnemius muscle only);
 * 2) foot − plantar flexion