- Purpose To investigate the effect of a biomechanical therapy on gait, function and clinical condition in patients following total knee arthroplasty (TKA). Methods Seventeen TKA patients participated in the study. Patients received a biomechanical therapy AposTherapy). Patients underwent a gait test, clinical examination and an assessment of pain, function and quality of life (QOL). Patients were examined again at one, three and six month follow-ups. Results A significant improvement over time was found in most gait measurements. Significant improvements were also found in pain, function and QOL. Conclusions The examined biomechanical therapy may help in the rehabilitation process following TKA.