Stand away from a wall and put your fight foot behind you and be sure your toes are facing forward. Lean forward at the ankle while bending the right knee and keeping your heel on the ground. Because the knee is flexed, tension is taken off the gastrocnemius and placed on the soleus. Hold this for 30 to 60 seconds. There you go! You're on your way to being loose an active. (Archived from
Stretching-Exercises-Guide.com)