Progression in an exercise program for CFS should focus on which of the following?

Focusing on the duration of moderate exercise is key in progressing an exercise program for individuals with Chronic Fatigue Syndrome (CFS). This approach allows for a gradual adaptation to physical activity, which is crucial given that people with CFS often experience significant fatigue and may have limited exercise tolerance.

Moderate exercise can help improve stamina and strength without overwhelming the individual, thereby minimizing the risk of exacerbating CFS symptoms such as post-exertional malaise. Gradually increasing the duration of exercise sessions while keeping the intensity at a moderate level helps ensure that the body can adjust slowly to the increased activity, promoting better long-term outcomes in physical health and quality of life.

Other options may not be appropriate for individuals with CFS. For instance, increasing exercise intensity immediately can lead to burnout or worsening of symptoms because many individuals with CFS struggle with physical exertion. Similarly, reducing the frequency of workouts would not contribute to building endurance or capacity and could lead to further deconditioning. Increasing the complexity of movements may not be suitable for those with CFS, who may require simple, consistent exercises that do not exacerbate fatigue or create additional challenges.