Magnetic resonance imaging (MRI) is a noninvasive imaging technique used to diagnose a variety of conditions. MRI uses a powerful magnetic field, radio waves, and a computer to create detailed images of structures inside the body. MRI does not use radiation (X-rays).

Joint MRI is a paraclinical indication applied in some musculoskeletal diseases to examine abnormalities in the structure and characteristics of joints in the human body, typically osteoarthritis. There are many indications for joint MRI such as knee MRI or hip MRI, depending on the different clinical situations, the patient will be assigned appropriate paraclinical indications.