What diseases affects the muscular system?

There are many diseases and conditions that can affect the muscular system. Some of the most common include:

- Muscular dystrophy is a genetic disorder that causes progressive muscle weakness and degeneration. There are many different types of muscular dystrophy, and the symptoms can vary depending on the type of disorder.

- Myasthenia gravis is an autoimmune disorder that affects the communication between nerves and muscles. This can cause muscle weakness and fatigue.

- Polymyositis is an inflammatory disease that affects the muscles. It can cause muscle weakness, pain, and stiffness.

- Dermatomyositis is a disease that affects the skin and muscles. It can cause muscle weakness, skin rashes, and other symptoms.

- Rhabdomyolysis is a condition that occurs when muscle tissue is broken down. This can cause muscle pain, weakness, and kidney damage.

- Fibromyalgia is a chronic condition that causes widespread muscle pain and fatigue.

- Tendinitis is inflammation of a tendon, which is the tissue that connects muscle to bone.

- Bursitis is inflammation of a bursa, which is a fluid-filled sac that helps to reduce friction between muscles and bones.

- Myositis ossificans is a condition in which bone forms in muscle tissue.