His left knee and ankle were also badly fractured. Gymnasts can achieve this by increasing hip, knee and ankle amplitude. It is often in the clinch where knee and elbow techniques are used. He frequently suffered shin splints and an inflamed knee. Park and Moreau described successful excision of diseased joints, particularly the knee and elbow. He required arthroscopic surgery on the knee. He underwent surgery to repair damage to his knee. Sabin underwent surgery on his right knee in early May. He also began experiencing soreness and swelling in his left knee. These compensations include internal rotation of the tibia, knee and hip joints. O'Dell suffered from a torn knee cartilage. It is unclear whether surgery is beneficial in people with mild to moderate knee osteoarthritis. It could reduce pain and increase movement in people with osteoarthritis of the knee. The ACL is one of the four major ligaments in the knee. Coming off of knee surgery, Hamill became sick.