Inclusion Criteria:  Patients with degenerative knee arthritis with only one compartment affected  Exclusion Criteria:  Inflammatory Arthritis Tricompartmental arthritis Patients with fixed varus deformity greater than -10 degrees Patients with fixed valgus deformity greater than -5 degrees Patients with knee range of motion less than 90 degrees Patients with more than 10 degrees of flexion contracture"