Rippling Muscle Disease 1, also known as rippling muscle disease, 1, is related to rippling muscle disease 2, and has symptoms including characteristic lateral rolling movement of muscle, muscle cramps and muscle pain. An important gene associated with Rippling Muscle Disease 1 is RMD1 (Rippling Muscle Disease 1). Affiliated tissues include skeletal muscle, and related phenotypes are emg abnormality and skeletal muscle hypertrophy