2. Step on the pedal alternately with both feet, which needs coordination.

3. Improve the training intensity of the mountaineering machine by increasing the rhythm and speed. Adjust the difficulty level, the smaller the gravity, the faster you must pedal.

4. Within the range of musical instruments controlled by pedals, step up and down, and don't touch the upper and lower edges and make a clicking sound.

5, the sole of the foot can not leave the pedal, can not be out of control, follow the amplitude of the instrument.

6. When the forefoot is trampled, the ankle remains flexible.

7. Hands can swing naturally as if they are still, or you can hold the equipment.