Facioscapulohumeral muscular dystrophy

/fˈeɪsɪˌɒskɐpjˌʊləʊhjˌuːməɹəl mˈʌskjʊlə dˈɪstɹəfi/

/fˈeɪsɪˌɑːskɐpjˌʊloʊhjˌuːmɚɹəl mˈʌskjʊlɚ dˈɪstɹəfi/

a genetic muscle disorder causing progressive weakness in facial, shoulder, and upper arm muscles, typically starting in adolescence or adulthood