Inclusion Criteria:  Written informed consent must be obtained prior to any screening procedures Received a primary total knee replacement (incl. patella) robotically-assisted Male or female Age between 50 and 80 Able to walk independently  Exclusion Criteria:  Revision surgery Patient with a history of neurological, psychiatric or neurodegenerative disease Any disorder, which in the investigator's opinion might jeopardise participant's safety or compliance with the protocol. Other musculoskeletal lesions that may affect the gait pattern