Fig. 1From: Proximal fibular osteotomy in the treatment of medial osteoarthritis of the knee – A narrative review of literatureIllustration demonstrating non-uniform settlement on the medial aspect and the “too-many cortices” laterally. Downward arrows depict the load exerted on the knee joint. Upward arrows depict load-bearing by the medial and lateral condyles of the tibia and the fibula. a normal knee, b varus knee and c after proximal fibular osteotomy (PFO) (details in text)Back to article page