The ski exercise machine is really a popular little bit of fitness equipment that mimics the motion of cross-country skiing. It is made up of two separate foot pedals that move back and forth in a sliding motion, allowing users to interact their lower body muscles inside a full range https://drive.google.com/file/d/1PwDq5PgUlJ1HwPoXTsRIn6gdRyr-MU8f/view?usp=sharing