A type of medical imaging that uses a magnetic field and radio waves to create cross-sectional images through the body. MRI is usually used to view the spinal cord and other soft tissues like muscles, nerves, and blood vessels in greater detail. Related Articles: Bladder Changes After Spinal Cord InjuryBowel Changes After Spinal Cord InjuryPressure InjuriesEmergency and Hospital CareUrinary Tract Infections