calf, sura

the muscular back part of the shank

• skeletal muscle — a muscle that is connected at either or both ends to a bone and so move parts of the skeleton

• gastrocnemius, gastrocnemius muscle — the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot
• soleus, soleus muscle — a broad flat muscle in the calf of the leg under the gastrocnemius muscle
• Achilles tendon, tendon of Achilles — a large tendon that runs from the heel to the calf

• shank — the part of the human leg between the knee and the ankle