The MRI machine makes use of magnetic waves, not X-rays to point out the soft tissues of the body. Sedation or anesthesia may be wanted that will help you lie nonetheless for this test. This will embody wanting on the back to evaluate the curves of the spine, spasm of the muscle tissue, and for uncommon markings of the pores and skin or gentle tissue along the spine. Your physician may even want to watch you progress or stroll, and evaluate the range of motion of the spine. Neurological examination could embrace checking reflexes, sensation, and muscle strength.