Why is the sole us more emphasized in the seated raise than the standing raise?

The soleus muscle is more emphasized in the seated raise because this position minimizes the involvement of the gastrocnemius, which is more active when the knee is extended, as in a standing raise. In a seated position, the knees are flexed, allowing the soleus, which is primarily responsible for plantarflexion when the knee is bent, to take on a greater role. This targeted engagement helps to strengthen and develop the soleus muscle more effectively during seated calf raises.