<P> Nerves, arteries and veins surrounding the gastrocnemius and soleus . </P> <Li> <P> Muscle layer under the gastrocnemius </P> </Li> <P> Muscle layer under the gastrocnemius </P> <Li> <P> Cross section of the lower leg, showing the gastrocnemius at the back . </P> </Li>

What is the proximal attachment of the gastrocnemius