What are the main courses in the gym?

The following courses are very popular in gyms nowadays:

1. Spinning bike, barbell and Pilates are the best fat killers in the waist and abdomen;

2. Extreme boxing can let your emotions vent quickly;

3. Aerobic Latin exercises and aerobics are good helpers in shaping and exercising cardiopulmonary function;

4. Jazz and belly dancing can make people charming and feminine;

5. Yoga can improve temperament and regulate body and mind.