An MRI scan is often used to study nerves, muscles, ligaments, bones, and other tissues in the body; the detail of the study can be quite incredible. An MRI is often used to evaluate the possibility of injuries to ligaments and tendons. Problems in the spine, such as a disc herniation are seen well on an MRI image. Masses and tumors within soft tissues can also be evaluated with MRI.
For more information: How MRI Works