... 3 days, can jump in 3 minutes, after 3 months can jump on 10 minutes a day, after half year ... "jump" if every time series, even jump 3 minutes until ... dance half an hour, is equivalent to 90 minutes of exercise, jogging already is the standard of ... swinging arms forcibly. After jumping 1 minute rest 10 seconds, repetitive practice 2 times.Background: simple, ...