Shoulder Prosthesis Telerehab Care Trial

The goal of this clinical trial is to compare the rehabilitation by use of a smartphone-app with the usual care of physical therapy in patients, 60 years and older, who underwent a primary shoulder arthroplasty.The main questions it aims to answer are:is the outcome of rehabilitation with the app as good as the usual care?is the outcome for both types of shoulder arthroplasty similar?what is the usability of the app?.Participants willhave treatment according to the group they are allocated tofill in questionnaires at specific moments during the rehabilitation stage (0 - 3 months ) and at 1 year post-surgery

Inclusion Criteria:60 years and olderprimary total shoulder arthroplasty (anatomical and reverse)osteoarthritis, cuff tear arthropathy, pseudoparalysisreturn home after discharge from hospitalno brace after surgerysufficient verbal and written comprehensionhospitalization insuranceExclusion Criteria:revision arthroplastyarthroplasty for fracture or tumorneurological disease (parkinson, stroke, ...)no access to smartphone, tablet or internet connectivity