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 ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

There can get a point where you’re climbing mountains, navigating rough terrain, or carving fresh pow and feeling good —but not quite crushing it. If that’s you, it might be time to unlock a new level ...