Hip fractures and related disabilities are important public health issues for elderly people around the world. Attending the progressive aging of the population, an increase in the number of hip fractures is expected. In fact, some studies estimate that, globally, the incidence will exceed 6 million in 2050. In Spain, approximately 33,000 hip fracture occur annually, with an overall incidence of 517 cases per 100,000 elderly people. 90% occur in people over 64 years of age and the incidence increases exponentially beyond 80 years (> 64: 97/100000 inhabitants-year;> 85: 1898/100000 inhabitants-year).