Facioscapulohumeral muscular dystrophy (FSHD) is a genetic disorder causing asymmetric weakness to the skeletal muscles, typically including facial, shoulder girdle, trunk, and lower leg. It is the third most common muscular dystrophy [1,2].

The symptoms will typically start in childhood and progress during the second and third decades of life. By the age of 20 years, a vast majority of patients report upper extremity dysfunction. In some cases, there is a loss of function in the lower