Inclusion Criteria:  Diagnosis of stage I, II or III of Breast cancer treated by surgery. Medical authorisation for participation. Internet access. Basic computer skills. Signed informed consent. No bilateral mastectomy. No metastases. Post-intervention period of 10 days to 3 months. Age 18-85 years. No previous shoulder pathologies. No pathology that prevents exercise. Understanding of the Spanish language.  Exclusion Criteria:  Breast cancer treated without surgery. Patient in severe psychiatric treatment who may present difficulties for participation in the study. Stage IV cancer. Any other clinical condition or previous therapy that contraindicates one or more of the techniques included in the programme, as the intervention may not be safe for the patient and therefore the person would not be eligible to participate in the study.