What are some diseases or injuries that affect the muscular system?

Diseases and injuries that can affect the muscular system include:

- Muscular dystrophy: A genetic disorder characterized by progressive muscle weakness and degeneration

- Myasthenia gravis: An autoimmune disorder characterized by muscle weakness and fatigue

- Polymyositis: An inflammatory disease that affects the muscles

- Rhabdomyolysis: A condition in which muscle tissue breaks down, leading to the release of muscle proteins into the bloodstream

- Tendonitis: Inflammation of a tendon, the connective tissue that attaches muscle to bone

- Bursitis: Inflammation of a bursa, the fluid-filled sac that cushions joints

- Ligament sprains: Tears to the ligaments, the tough bands of connective tissue that connect bones

- Muscle strains: Tears to muscle fibers

- Back injuries: Injuries to the muscles and bones of the back

- Neck injuries: Injuries to the muscles and bones of the neck