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.

Biomedical engineers have grown muscles in a lab to better understand and test treatments for a group of extremely rare muscle disorders called dysferlinopathy or limb girdle muscular dystrophies 2B ...

More than 30 rare muscular dystrophy types cause progressive muscle weakness from inherited gene mutations. Combined, they affect about 1 in 5,000 to 8,000 people. Common subtypes vary by age of onset ...

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 ...

In proof-of-concept experiments, scientists say they have successfully cultivated human muscle stem cells capable of renewing themselves and repairing muscle tissue damage in mice, potentially ...

The type 1 ryanodine receptor (RyR1) is an important calcium release channel in skeletal muscles essential for muscle contraction. It mediates calcium release from the sarcoplasmic reticulum, a ...

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 ...