Based on the popular children's book by Dr. Seuss, Horton Hears a Who! tells the thoughtful story of Horton, an elephant who is faithful one hundred percent.. Horton's story has delighted children for over 50 years, and now the loyal elephant stars in his own beautifully animated movie.
1 Activate Your Free Trial!  Gastrocnemius muscle. Gastrocnemius muscle, also called leg triceps, large posterior muscle of the calf of the leg. It originates at the back of the femur (thighbone) and patella (kneecap) and, joining the soleus (another muscle of the calf), is attached to the Achilles tendon at the heel.
The Achilles tendon connects the calf muscle to the heel bone. The calf muscle is actually two muscles, the gastrocnemius muscle and the soleus muscle. The soleus lies underneath the gastrocnemius. The Achilles tendon is the largest tendon in the body. It allows you to rise up on your toes and push off while walking or running.