Predicting the Outcome of Total Knee Arthroplasty and Spinal Surgeon

Inclusion Criteria: 1. The patients have been waiting for surgery for treatment of osteoarthritis or disc degeneration disease. 2. Must be between 18 and 65 years of age, of either sex. 3. Must demonstrate willingness to participate in the study by signing the written informed consent. Exclusion Criteria: 1. Patients with Mandatory spondylitis, infections, neoplasms, inflammation, deformities, or previous surgery of spine or knee. 2. The patient is participating in an interventional clinical trial or has in an interventional clinical trial within 30 days prior to enrollment.