Dominic Stone
Muscle disease, or muscle disorder, is characterised by patterns of weakness, loss of muscle tissue, and other symptoms. It can be inherited, or caused by another condition. Muscle disorders may be diagnosed using an electromyography (EMG) test, which records the electrical activity in a muscle. Symptoms of muscle disease vary, but can include breathing issues, inflammation of fibrous connective tissues in muscles, and loss of muscle mass and strength.
| Characteristics | Values |
|---|---|
| Symptoms | Muscle weakness, breathing issues, inflammation of fibrous connective tissues, loss of muscle mass and strength |
| Diagnosis | Electromyography (EMG) |
| Types | Primary (direct abnormalities of the muscles) and secondary (due to another condition) |
| Examples | Polymyositis, fibrositis, sarcopenia, muscular dystrophy |
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What You'll Learn
Primary muscle diseases
Muscle disorders are characterised by patterns of weakness, loss of muscle tissue, and other symptoms that suggest a muscle problem. Primary muscle diseases are those that are a direct result of abnormalities of the muscles, such as polymyositis. Secondary muscle diseases are those that are caused by another condition and may have led to muscle damage, such as diseases due to endocrine issues.
Muscle disorders may be diagnosed using one or more of the following tests: an electromyography (EMG), which records the electrical activity in a muscle, or a biopsy. The main symptom of a muscle disorder is muscle weakness, which can slowly get worse over time. Other symptoms include breathing issues, especially dyspnea (shortness of breath).
One example of a primary muscle disease is fibrositis, which is an inflammation of the fibrous connective tissues in the muscles. This can affect the muscles of the trunk and back. Another example is sarcopenia, which causes muscle mass loss and muscle strength loss. This can be a primary or secondary disease.
Muscular dystrophy is another group of primary muscle diseases that cause progressive weakness and loss of muscle mass. This is caused by abnormal genes (mutations) that interfere with the production of proteins needed to form healthy muscle. There are many kinds of muscular dystrophy, and symptoms can begin at different ages and in different muscle groups. There is currently no cure for muscular dystrophy, but medications and therapy can help to manage symptoms and slow the course of the disease.
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Secondary muscle diseases
Muscle disorders can be either primary or secondary. Primary muscle diseases are those that are a direct result of abnormalities of the muscles, while secondary muscle diseases are those that are caused by another condition and may have caused muscle damage. For example, diseases due to endocrine issues.
One example of a secondary muscle disease is sarcopenia, which can be caused by a variety of factors such as ageing, inactivity, and malnutrition. Sarcopenia leads to muscle mass loss and muscle strength loss. Another example is fibrositis, which is an inflammation of the fibrous connective tissues in the muscles. This can cause pain and stiffness in the affected muscles.
Muscular dystrophy is another group of secondary muscle diseases that cause progressive weakness and loss of muscle mass. In muscular dystrophy, abnormal genes (mutations) interfere with the production of proteins needed to form healthy muscle. There are many kinds of muscular dystrophy, and symptoms can begin at different ages and in different muscle groups. While there is no cure for muscular dystrophy, medications and therapy can help manage symptoms and slow the course of the disease.
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Muscle weakness
Muscle disorders can be inherited or caused by another condition. Primary muscle diseases are a direct result of abnormalities of the muscles, such as polymyositis. Secondary muscle diseases are caused by another condition and may have led to muscle damage, for example, due to endocrine issues.
Muscular dystrophy is a group of diseases that cause progressive muscle weakness and loss of muscle mass. It is caused by abnormal genes (mutations) that interfere with the production of proteins needed to form healthy muscle. There is no cure for muscular dystrophy, but medications and therapy can help manage symptoms and slow the course of the disease.
Tests that can be used to diagnose muscle disorders include an electromyography (EMG), which records the electrical activity in a muscle, and a biopsy.
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Loss of muscle tissue
Muscle disease, also known as a muscle disorder, is a condition that causes patterns of weakness, loss of muscle tissue, electromyogram (EMG) findings, or biopsy results that suggest a muscle problem. There are primary and secondary muscle diseases. Primary muscle diseases are a direct result of abnormalities of the muscles, for example, polymyositis. Secondary muscle diseases are caused by another condition and may have caused muscle damage, for example, diseases due to endocrine issues.
There is currently no cure for muscular dystrophy, but medications and therapy can help manage symptoms and slow the course of the disease. Muscle disorders may be diagnosed using an electromyography (EMG), which is a recording of the electrical activity in a muscle. A muscle disorder can also be identified through biopsy results.
It is important to note that muscle weakness is a common symptom of muscle disease and can slowly get worse over time. This can lead to breathing issues, especially dyspnea (shortness of breath). If you or someone you know is experiencing symptoms of muscle disease, it is important to seek medical advice.
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Muscular dystrophy
Muscle disorders are characterised by muscle weakness, loss of muscle tissue, and breathing issues. They can be inherited or caused by another condition. Muscular dystrophy is a group of diseases that cause progressive weakness and loss of muscle mass. This is due to abnormal genes interfering with the production of proteins needed to form healthy muscle. The main sign of muscular dystrophy is progressive muscle weakness, with specific signs and symptoms beginning at different ages and in different muscle groups, depending on the type. There is no cure for muscular dystrophy, but medications and therapy can help manage symptoms and slow the course of the disease.
Muscle disorders, including muscular dystrophy, may be diagnosed using one or more tests, including an electromyography (EMG), which is a recording of the electrical activity in a muscle. A muscle disorder can also be identified through biopsy results or electromyogram (EMG) findings that suggest a muscle problem.
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Frequently asked questions
A muscle disease is a condition that causes patterns of weakness, loss of muscle tissue, and muscle strength loss.
Symptoms include muscle weakness, breathing issues, inflammation of fibrous connective tissues in muscles, and loss of muscle mass.
A muscle disease may be diagnosed using an electromyography (EMG) test, which records the electrical activity in a muscle.
Polymyositis is an example of a primary muscle disease, which is a direct abnormality of the muscles.
Sarcopenia is an example of a secondary muscle disease, which is caused by another condition and may have resulted in muscle damage.
