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.
Calf Muscles. There are two main calf muscles: the gastrocnemius and the soleus. The gastrocnemius is the larger of the two and is responsible for extending your ankle and also weakly flexes your knee.The smaller soleus muscle lies below the gastrocnemius and its sole function is to extend your ankle. These two powerful muscles work together to push you forward off your toes.alf Muscles. There are two main calf muscles: the gastrocnemius and the soleus. The gastrocnemius is the larger of the two and is responsible for extending your ankle and also weakly flexes your knee.