What is the soleus?
The deep calf muscle is called the soleus. Gray's Anatomy (1918) describes it as a broad, flat muscle lying beneath the gastrocnemius.
What it is
- A broad, flat muscle lying beneath the gastrocnemius.
- Named after its resemblance to a sole fish.
- Points the foot downward and is essential for standing.
Where it is
- On the back of the leg, deep to the gastrocnemius.
- Arises from the tibia and fibula.
- Joins the gastrocnemius to form the Achilles tendon.
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Last verified: 2026-07-18
- Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.