2. Stretching & Flexibility: How to work with your Stretch reflex...David Holt
Allow the heel to drop down slowly until resistance is felt in the muscle or tendon, hold for the usual length of time before pushing up (which is, of course, exercise) Do some stretches with straight knees to stretch the gastrocnemius muscle, do...
http://home.sprynet.com/~holtrun/stretch.htm

3. Stretching Exercises
In general, calf stretches that bend the knee of the calf being stretched focus on the soleus muscle while stretches that extend the knee focus on the gastrocnemius muscle. Standing Soleus Calf Stretch (Using a step) Place your right heel on a...
http://k2.kirtland.cc.mi.us/~balbachl/stretch.htm

4. Stretch Physical Therapy
Stretching should be performed with a straight knee and a bent knee. Overhead/inferior stretch with knees bent. The gluteal stretches should be felt over the outside of your hip (buttocks region) The ITB stretch should be felt along the course of...
http://www.cnrc.navy.mil/ohio/NSW-NSO/PST%20TRAINING%20GUIDE.htm