The soleus muscle does the following:
- Plantar flexes the foot.This means that the soleus muscle extends the ankle such that the angle between the top of the foot and the lower leg increases (i.e. the action of rising up on your toes or the balls of your feet).
"calves" - the soleus muscle forms part of the calf muscle group, along with gastrocnemius.
The muscular anatomy image shown here is in the public domain. It may have been modified by ShapeSense.com, but was originally acquired at the following address:http://en.wikipedia.org/wiki/File:Gray438.png