The anatomy of the calf and the exercise you are trying to prepare for can change how you stretch your calves. �When your knee is straight, you will stretch your gastroc muscles. �When your knee is bent 20 degrees or more, you will be stretching your soleus. �The stretching and warm up movements you use should prepare you for whatever task is at hand. �If you want to squat, for example, stretching the calf with a bent knee is ideal. More info: https://themovementfix.com/basic-anatomy-of-stretchi