Virtual Home-based Physical Pre-habilitation in Kidney Transplant Candidates

Inclusion Criteria: * consecutive individuals with end stage kidney disease (ESKD) (aged ≥18 years), classified as pre-frail (1-2 points), frail (3-4 points) or very frail (5 points) on the Fried's frailty phenotype and who are accepted or in the process of being accepted to enter in the deceased or living donor KT waiting list of the McGill University Health Centre (MUHC), Centre Hospitalier de l'Université de Montreal (CHUM) or University of Alberta Hospital (UAH) for first-time transplantation or re-transplantation * English or French speakers * is technologically capable of connecting (either independently or through household members/next-of-kin) with an online videoconferencing platform through an e-mail invitation (Patients who do not have access to internet will borrow a tablet with internet for the period of the study) Exclusion Criteria: * Individuals who: * are classified as robust (0 points) on their Fried's frailty phenotype score * are participating in a structured exercise program (hospital-based or home-based or another trial) * are waiting for kidney-pancreas or kidney-liver transplant as those have much longer waiting time * are hospitalized for any reason during the assessment for eligibility * have a cPRA (calculated panel reactive antibodies) \>95% and are on the highly sensitized exchange program and expected to have a prolonged waiting times on the waiting list * are expected to have a transplant before the end of the 12 week-intervention (e.g. individuals who will receive an organ from a living donor or are type A blood * have pre-existing or newly identified significant cognitive impairment * have pre-existing or newly identified cardiac, musculoskeletal, neuropathy or neurological condition that might affect their exercise performance or otherwise render rehabilitation participation unsafe