Myopathic changes; Myopathy; Muscle problem
A muscle disorder includes patterns of weakness, loss of muscle tissue, electromyogram (EMG) findings, or biopsy results that suggest a muscle problem. The muscle disorder can be inherited, such as muscular dystrophy, or acquired, such as alcoholic or steroid myopathy.
The medical name for muscle disorder is myopathy.
The main symptom is weakness.
Other symptoms include cramps and stiffness.
Blood tests sometimes show abnormally high muscle enzymes. If a muscle disorder might also affect other family members, genetic testing may be done.
When someone has symptoms and signs of a muscle disorder, tests such as an electromyogram, muscle biopsy, or both can confirm whether it is a myopathy. A muscle biopsy examines a tissue sample under a microscope to confirm disease. Sometimes, a blood test to check for a genetic disorder is all that is needed based on someone's symptoms and family history.
Treatment depends on the cause. It usually includes:
Your health care provider can tell you more about your condition and treatment options.
Borg K, Ensrud E. Myopathies. In: Frontera, WR, Silver JK, Rizzo TD, Jr, eds. Essentials of Physical Medicine and Rehabilitation: Musculoskeletal Disorders, Pain, and Rehabilitation. 4th ed. Philadelphia, PA: Elsevier; 2019:chap 136.
Selcen D. Muscle diseases. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 393.BACK TO TOP
Review Date: 10/8/2019
Reviewed By: Alireza Minagar, MD, MBA, Professor, Department of Neurology, LSU Health Sciences Center, Shreveport, LA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2021 A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.