<prompt> Peripheral hea is another name forGastrocnemius muscleSoleus musclePlantaris musclePopliteus muscle  <response>: There are large valveless venous sinuses in the substance of soleus. When it contracts, the blood is pumped out of them and during rest the blood stagnates in them. Soleus is also known as because it actively helps in the venous return from the lower limb. Ref: Grays Anatomy, Churchill Livingstone, New York; 2005; 879 - 880. 