* Electromyography or (EMG). This procedure determines if nerve or muscle cells are damaged. Since a common symptom of<unk>  is muscle weakness this allows doctors to determine where and why the weakness is occurring. * MRI of the Musculoskeletal System. MRI uses a magnetic field to take pictures of body structures and allows physicians to determine if a patient has a certain disease. * Needle biopsy A needle biopsy allows a physician to test specific cells in the body. These cells are sent to a laboratory to undergo testing and can further determine why muscle weakness throughout the body could be occurring. This testing can confirm that muscle cells contain rod like structures.
Nemaline myopathy
Brody myopathy
Centronuclear myopathy
Bethlem myopathy
Muscular dystrophy
Metabolic myopathy
Inflammatory myopathy
Hereditary inclusion body myopathy