acromyotonia: myotonia of the extremities only; causes spastic deformity of the hand or foot
myotonia: abnormally long muscular contractions; slow relaxation of a muscle after a contraction
beguine: (Roman Catholic Church) a member of a lay sisterhood (one of several founded in the Netherlands in the 12th and 13th centuries); though not taking religious vows the sisters followed an austere life