Wonder Jump fitness Class is a High intensity class with low impact to your joints. It is a dynamic combination of Balance, Strength, Resistance, Power and cardio training following the beats of the music. In one class the expenditure of calories can reach 400-900cal. It is a way to workout and have fun with high levels of endorphin. It is ideal for all ages but not recommended for who has balance issues (vestibular syndrome), easy dizziness or over 220Lb.