Step 1: First, put your hands on the handlebar, lean forward slightly and ride the exercise bike;

Step 2, then slightly open the elbow joint marked by the red box;

Step 3, then ride the exercise bike with your knees and feet parallel;

The fourth step, in the process of riding, the bottom-up action is lifting;

The fifth step, the action from top to bottom is push and pull;

Step six, push and pull, and then step, thus forming a cycle.