Rapid walking for the growth of calf muscle has a promotional effect, every day when walking fast human calf muscles, Achilles tendon will be fast and hard contraction, to complete the fast walking action. Once keep walking too long, distance too far, muscle contraction too often, will lead to calf muscle cell rupture phenomenon, thus gradually make the calf muscle thickening performance. This phenomenon is limited to perennial, long time, long distance fast walking, will make the calf muscle obvious changes. Short periods of fast walking do not have a significant effect on the growth of calf muscles. If you want to exercise the calf muscle to make it thicker, you can use some fitness movements and weight training to carry out, if you do not want the calf muscle appearance is too large, you can properly carry out the calf stretching, relaxation movements, reduce the walking speed.