1, running for 3 minutes+sit-ups (mainly to exercise abdominal muscles) 1 min;
2, running for 3 minutes+freehand squat (mainly to exercise leg muscles) 1 minute;
3, running for 3 minutes+push-ups (mainly exercise chest muscles) 1 minute;
4, running for 3 minutes+supine leg lifts (mainly to exercise abdominal muscles) 1 minute;
5, running for 3 minutes+freehand squat (mainly to exercise leg muscles) 1 minute;
6, running for 3 minutes+flat support (mainly exercise abdominal muscles) 1 minute.