It is easy to find information on knee replacement surgery but learning about knee realignment surgery is more difficult. This type of surgery is technically called a High Tibial Osteotomy and involves cutting the bone to change the angle through the knee joint. When osteoarthritis affects one half of the knee - either the inside or outside - more than the other half a change in angle can occur. These deformities are commonly known as being Knock-kneed and Bow-legged.

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One of the surgical options to treat osteoarthritis of the knee is a high tibial osteotomy. It is a serious operation that takes around 6 months to recover from. It aims to realign the knee joint to relieve pressure from the area worn by arthritis. It is frequently used to delay the need for a total knee replacement in those too young.