[Update for the clinician]

Musculoskeletal ultrasound is of considerable value for the clinician, either if performed by himself or by the radiologist. If carried out with adequate equipments, it is an essential imaging modality and, in addition, has a definite role in clarifying the pathogenesis of different disorders and works well as a teaching tool. Advantages of musculoskeletal ultrasound are several and well known. Definite disadvantages include time dedicated to perform the examination, cost of top level equipments and difficulty to judge the examination quality by the clinician. Ultrasound is a useful diagnostic modality that can assess disease's activity, follow-up and recovery and can successfully guide diagnostic and therapeutic interventional procedures.