Emery–Dreifuss muscular dystrophy
Emery–Dreifuss muscular dystrophy (EDMD) is a type of muscular dystrophy, a group of heritable diseases that cause progressive impairment of muscles. EDMD affects muscles used for movement (skeletal muscles), causing atrophy, weakness, and contractures.
Source: Wikipedia — Emery–Dreifuss muscular dystrophy (CC BY-SA 4.0)