Taking the right leg as an example, it should be noted that when rotating, the foot is pulled outward, and then folded in the direction of the thigh, with special force, and the sole of the foot is tilted to the maximum. Press the nerve root of gastrocnemius head. When the calf cramps, use your thumb to explore the hard and prominent muscle main roots on both sides of the posterior cranial fossa of your knee, and then press the exciting nerve here hard to calm it down, stop the cramps and the pain disappears. In addition, the effect of mashing ginger with residue and juice is also very ideal.