Table 1 Structure of the exercise program

1-12

Resistance training and interval training (2 × 8 minutes).

2× per week, 60 minutes.

1. become familiar with exercise program;

2. overcoming the fear of physical activity;

3. improve coordination and muscle hypertrophy and hereby improving muscle force;

4. increasing aerobic capacity;

5. increasing the pleasure in being physically active.

13-18

Resistance training and interval training (2 × 8 minutes).

1× per week, 60 minutes.

1. maintain muscle force;

2. improve muscle endurance;

3. improve aerobic capacity.

1, 4, 10, 12, 18, 22

Counseling.

6 sessions of 5 to 15 minutes

1. improve compliance to the exercise intervention;

2. encourage patients to pursue an active lifestyle.