Oxford Partial Knee Kinematics Gait Analysis Study

Inclusion Criteria: * Patients with medial knee compartment arthritis Exclusion Criteria: * Patients with diagnoses other than osteoarthritis (i.e., rheumatoid arthritis, psoriatic arthritis, etc.) * Patients with significant diseases of other joints of the lower extremity * Patients with a diagnosed disorder with gait disturbance (e.g. lower extremity weakness, prior lower extremity arthrodesis, diagnosed movement disorders, etc.).