Most of the cases are due to the fact that the elasticity of the arch of the foot, as well as the muscles of the calf, are seldom used. So in the short term, practicing the butterfly step this kind of tiptoe movement will feel sore legs. Maintain a certain amount of exercise adhere to half a month will be good.
We can usually do more jogging, as little as possible with the heel of the force, with the forefoot on the ground, running slowly, so that the toes and calf muscles have been exercised. Every day after the exercise Rub the feet and calves will be much better.