Musculoskeletal ultrasound is a procedure that provides fast, efficient and real-time, as its name suggests, musculoskeletal tissue, ie, tendons, ligaments or muscles study. Thanks to this test, the specialist can assess body structure and if there is any type of injury with the aim of establishing monitoring and recovery program. The scanner emits ultrasound expand throughout the tissues and bounce off reflective interfaces creating grayscale images displayed on the screen. Depending on the composition of a ratio or other tissue is reflected. Its use is done in the fields of physiotherapy and Traumatology and apply it is quite common in people with rheumatic diseases.