Slender legs: a. Sit in a chair and straighten your legs or one leg, parallel to the ground. B originally, the pedal was 90 degrees off the ground. Press down slowly and forcefully until it is parallel to the ground, and keep still for five seconds. C, slowly put the pedal back in place, at 90 degrees with the ground. After repeating the action ten times in a row, you can take a short rest and then move on to the next round. You can feel the calf muscles obviously stretching. D. It is recommended to do three or four rounds a day, and you can see the effect of progress after half a month.