The Goal of the study is to identify trait-homogenous groups of cancer patients in regards to their physical activity associated health literacy. Based on these Groups, individualized exercise protocols and educative strategies can be developed which may increase the efficacy of the exercise therapy and increases the likelihood that patient get involved in physical activity.
Inclusion Criteria: * Histologically confirmed cancer diagnosis * Females and males ≥18 years of age * Undergoing either chemo-, immune-, radio- or anti-hormonal treatment * Last surgery more than 6 weeks in the past * Ability to understand English or German * Be able to provide and understand informed consent * Have an Eastern Cooperative Oncology Group (ECOG) Performance Score of ≤ 2 Exclusion Criteria: * Heart insufficiency \> NYHA III (New York Heart Association) or uncertain arrhythmia * Uncontrolled hypertension * Severe renal dysfunction (GFR \< 30%, Creatinine\> 3mg/dl) * Reduced standing or walking * Current pregnancy * Any other evidence in the medical record of an absolute contraindication for exercise