What is the calf muscle called?

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The calf muscle is called the gastrocnemius. Gray's Anatomy (1918) describes it as a large, superficial, two-headed muscle that forms the bulk of the calf.

Summary

The calf muscle is called the gastrocnemius. Gray's Anatomy (1918) describes it as a large, superficial, two-headed muscle that forms the bulk of the calf.

What it is

  • A large, superficial, two-headed muscle that forms the bulk of the calf.
  • Both heads arise from the lower end of the femur.
  • Points the foot downward and helps bend the knee.

Where it is

  • On the back of the leg between the knee and the heel.
  • Joins the soleus beneath it to form the Achilles tendon.
  • The tendon inserts on the back of the calcaneus.

Sources

According to Gray's Anatomy of the Human Body (1918, public domain):

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