Complex sentence: Dreifuss muscular dystrophy is a condition that chiefly affects muscles used for movement (skeletal muscles) and heart (cardiac) muscle, it is named after Alan Eglin H. Emery and Fritz E. Dreifuss.
Split into simpler sentences: Dreifuss muscular dystrophy is a condition that chiefly affects muscles used for movement (skeletal muscles) and heart (cardiac) muscle. It is named after Alan Eglin H. Emery and Fritz E. Dreifuss.