Clinical Research Directory

Inclusion Criteria: * Age between 18 and 80 years. * Participants who understand Spanish. * Patients scheduled for colorectal cancer surgery at Royo Villanova Hospital, Zaragoza, Spain. * Patients attending the first consultation in the General and Digestive Surgery Section under the supervision of Dr. Blas, head of surgery at Royo Villanova Hospital, Zaragoza, Spain. * Participants with functional independence that allows them to perform walking and pulmonary function tests. * Patients with a preoperative assessment score of I, II, or III on the American Society of Anesthesiologists (ASA) scale. * Participants who agree to participate and sign the informed consent form. Exclusion Criteria: * Patients older than 80 years. * Patients with a preoperative ASA score of IV. * Patients with any injury, pathology, or inflammatory processes that make it impossible to practice exercise. * Patients with central and/or peripheral neurological diseases that prevent them from following the rehabilitation program. * Patients with unstable cardiac comorbidities such as arrhythmias, high blood pressure, angina pectoris, or other conditions that contraindicate moderate-intensity training. * Patients diagnosed with a psychiatric disorder as confirmed by a psychiatrist. * Patients without access to mobile internet or a computer with internet at home. * Patients who score ≤ 24 on the Mini-Mental State Examination (MMSE). * Individuals who are unable to follow oral and written instructions in Spanish. * Patients who refuse to participate in the study or who have not signed the informed consent form.