Prospective Functional Outcome Study of the Knee

Inclusion Criteria: * Patient is a male or non-pregnant female age 18 years or older at time of study * Patient is a candidate for a total knee arthroplasty * Patient is willing and able to comply with postoperative scheduled clinical and radiographic evaluations and rehabilitation. Exclusion Criteria: * Patients younger than 18 years of age * Patients with a primary diagnosis other than osteoarthritis of the knee as determined by an orthopaedic surgeon * Patients who have had any previous lower extremity procedure * Patients with a BMI greater than or equal to 40 * Patients with an active infection within the affected knee joint Patients with a neuromuscular or neurosensory deficiency that may limit the ability of the patient to evaluate the safety and efficacy of the device * Patient is diagnosed with systemic disease or metabolic disorder leading to progressive bone deterioration (e.g. Lupus Erythematosus, Paget's Disease) * Patient is immunologically suppressed or receiving chronic steroids in excess of normal physiological requirements (e.g. greater than 30 days) * Patient has a known sensitivity to device materials * Non-English speaking patients * Patient is a prisoner