Precisely examining the state of health of bones and joints (as well as the relationships between them) through osteoarticular ultrasound means preventing diseases affecting the joints, but also those of a neurological nature that cause muscular dysfunctions. Considered an initial examination in the early prevention of hip dysplasia, which, as is now known, can already be identified at the fetal level. It lasts 10 to 15 minutes and can be performed on patients of any age.