The attached video explains the components of prostheses and procedure of total knee replacement surgery. Total knee replacement surgery is one of the most common orthopaedics procedures. The procedure involves resection of diseased bone tissue and replacing it with prosthetic components. Most common indications of total knee replacement surgery are: - Osteoarthritis - Rheumatoid arthritis - Inflammatory arthritis - Post-traumatic degenerative joint disease - Osteonecrosis / joint collapse Reference: https://www.uptodate.com/contents/total-knee-arthroplasty#:~:text=Indications%20%E2%80%94%20Generally%2C%20total%20knee%20arthroplasty,joint%20collapse%20with%20cartilage%20destruction. Video courtesy: https://www.youtube.com/watch?v=m8LDBlZN-XM