Basic steps for pedal exercise:

1. Step up: stand in front of the pedal, put your feet together and place your hands naturally on your sides. Following the rhythm of the music, lift the pedal up with your toes to move your body's center of gravity upward. Then, slowly lower your heels and shift your weight back to the ground. Repeat this action several times.

2. Lower board: Contrary to the upper board, first move the body's center of gravity to the heels, and then step down on the pedal with the toes to move the body's center of gravity downward. Then, slowly lift your heels and shift your body weight back to the ground. Again, this action is repeated several times.

3. Basic steps: Face the pedals, with your feet shoulder-width apart and your hands naturally placed on your sides. To the rhythm of the music, lift your left foot and press the pedal firmly while keeping your right foot up. Then, lift the heel of your left foot, press the pedal firmly with your right foot, and follow with your left heel. Repeat this action several times.

4. Side step: face the pedal, with your feet shoulder-width apart and your hands naturally placed on your sides. When the music starts, shift your body weight to your right foot, lift your left foot, step forward to the right, and tap the pedal with your left toe at the same time. Then, lift the left heel, point the toes of the right foot on the ground, and shift the body's center of gravity to the right foot. Then, lift the heel of your left foot, press the pedal firmly with your right foot, and follow with your left heel. Repeat this action several times.

The benefits and functions of step aerobics:

1. Enhance cardiopulmonary function: The exercise intensity of step aerobics is moderate, which can effectively improve cardiopulmonary function and enhance the body's endurance.

2. Shape a perfect figure: Step aerobics can exercise the muscles of the thighs, buttocks, abdomen and back, helping to shape a perfect figure.

3. Reduce fat: Step aerobics can increase metabolism, consume calories, help reduce fat, and achieve weight loss results.

4. Enhance the strength of the lower limbs: During the step exercise, the muscles of the lower limbs are fully exercised, thereby enhancing the strength of the lower limbs.

5. Improve coordination: During the step exercise process, you need to coordinate the movements of your hands and feet. Long-term exercise can improve the coordination of the body.

6. Enhance immunity: Step aerobics can improve human immunity and enhance resistance to diseases.

7. Relieve stress: Step aerobics is a rhythmic exercise that allows people to release stress during exercise and achieve the purpose of relaxing their mood.

8. Delay aging: Step aerobics can improve blood circulation, promote metabolism, and help delay aging.

9. Prevent fractures: Step exercises can enhance bone density and prevent fractures.

10. Social interaction: Step exercises can be performed by multiple people together, which helps to enhance interpersonal communication and cultivate team spirit.