The purpose of this study is to assess the efficacy of modulated mid-frequency whole-body electromyostimulation (WB-EMS) combined with nutritional therapy in patients with gastrointestinal cancer.
Patients with oesophageal, gastric, duodenal, colon or rectal cancer following surgery without further therapy and with neoadjuvant and adjuvant therapy
medical clearance for exercise training
written declaration of consent from the study participant
Participation in another study on the topic of exercise or nutrition
Electronic implants such as pacemakers, pumps, and coronary stents
Cardiac arrhythmia
Implants in the area of application (e.g. breast implants)