Genu valgum to improve outcomes and use the leg muscles properly to support the bone structures. Alternative or complementary treatments may include certain procedures from Iyengar Yoga or the Feldenkrais Method. Rarely, the bone malformation underlying genu valgum can be traced to a lack of nutrition necessary for bone growth, which can cause conditions such as rickets (lack of bone nutrients, especially dietary vitamin D and calcium), or scurvy (lack of vitamin C). The correction of the underlying vitamin deficiency may restore a more normal progression of bone growth. Genu valgum Genu valgum, commonly called "knock-knee", is a condition in which the
Scurvy belief that scurvy was fundamentally a nutritional deficiency, best treated by consumption of fresh food, particularly fresh citrus or fresh meat, was not universal in the 19th and early 20th centuries, and thus sailors and explorers continued to suffer from scurvy into the 20th century. For example, the Belgian Antarctic Expedition of 1897–1899 became seriously affected by scurvy when its leader, Adrien de Gerlache, initially discouraged his men from eating penguin and seal meat. In the Royal Navy's Arctic expeditions in the 19th century it was widely believed that scurvy was prevented by good hygiene on board ship, regular exercise,