Myopathy describes disorders of the muscles that cause them to function less effectively. Myopathies can be inherited or acquired, and the symptoms may be present from birth or develop later on.

Musculoskeletal (MSK) disorders affect the muscles, bones, joints, and tissues. In children, they may be due to infection, cancer, inflammatory arthritis, or progressive muscle disorders. MSK ...

More than 30 types of muscular dystrophy have been identified. They all cause problems with movement due to muscle protein defects caused by genetic mutations. Muscular dystrophy is a group of ...

Neuromuscular diseases are conditions that affect your nerve and muscle function. Neuromuscular disorders affect your peripheral nerves—the nerves outside your brain and spinal cord. Types of ...

When Kumail Nanjiani landed a role in Marvel’s The Eternals, he immediately knew he wanted to change his body. He thought to himself, “I’m playing the first South Asian superhero in a Marvel movie. I ...

The word gait refers to the movement you use to walk or run. Walking is a complex series of movements that requires your brain, bones, and muscles to work together, with help from your heart and lungs ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...