Count. Automatic rebound abdominal wheel is a kind of equipment used to exercise abdominal muscles, which can record the number of exercises through a counter to help users understand their exercise situation. To use the abdominal wheel counter, you need to put the instrument on the ground, hold the handle, put your knees on the mat, and then push the wheel forward hard. When using the counter, you need to follow the instructions in the equipment manual, and you can record the number and duration of each group of exercises. When using equipment, we should also pay attention to muscle stretching and recovery, proper nutrition and rest, in order to achieve better results.