Viking hand syndrome, also known as Dupuytren's contracture, is a rare medical condition that can occur in people who use vibrating tools or machinery for prolonged periods of time. It causes your fingers to bend towards your palm. Some possible causes of Viking hand syndrome include: Prolonged use of vibrating tools: The use of vibrating tools, such as jackhammers, sanders, or drills, can cause repeated trauma to the hands and fingers, leading damage of lump formation that later on develops into cords. Cold weather: Exposure to cold weather can cause blood vessels in the hands and fingers to constrict, reducing blood flow and increasing the risk of this condition. Smoking: Smoking can cause damage to blood vessels, reducing blood flow to the hands and fingers that can also be a cause of this condition. Genetics: it is considered that genetic condition, as the origin of this condition is related to Vikings that mea...