Purpose of the study: Being humerus fractures one of the most frequent in long bones and in young patients, and currently of surgical indication using conventional technique or MIPO, it is important to know the effectiveness of both techniques, which will be measured by different parameters such as functional recovery, late morbidity, cosmetic result, which will enable us to formulate protocols and / or guidelines for therapeutic and rehabilitative management according to the technique that demonstrates superior effectiveness according to the aforementioned parameters. Method: We will proceed to the selection of the clinical histories of the post-operated patients for humeral shaft fracture operated by traumatologists of the institution. The medical records of the patients who meet the inclusion and exclusion criteria will be selected, the data will be recorded in a collection card that ...