soleus

Origin

• posterior surface of head & upper 1/3 of shaft of fibula
• oblique line & middle 1/3 of medial margin of tibia
• tendinous arch passing between the tibia & fibula over the popliteal vessels

Insertion

• with gastrocnemius by the calcaneus tendon (Achilles tendon) into the tuberosity of the calcaneus

Action

plantar flexion of foot

Innervation

tibial nerve

More general terms

• skeletal muscle (voluntary muscle)