An injury that I see with surprising frequency is a complete rupture of the hamstring origin at the ischial tuberosity. While said to be common in certain sports, particularly waterskiing, the injury often occurs in middle-aged recreational individuals who experience a slip or fall. Rupture of the hamstring origin is said to account for up to 9% of all hamstring injuries (Koulouris & Connell 2003, cited in Wood et al 2008). Injury mechanism The most common mechanism of injury