ACE and NASM both does a great job for the general population, but NASM puts a slight bit more emphasis on corrective exercise. However, any of the certifications you have mentioned will get your foot into the door.
Broadway theatre, commonly known as Broadway, refers to the theatrical performances presented in the 41 professional theatres with 500 or more seats located in the Theater District and Lincoln Center along Broadway, in Midtown Manhattan, New York City.
List of Broadway shows that have held title of longest-running show. This is a list of shows that have held the title of being the longest running show (including straight plays and musicals) on Broadway since 1853. A few probable longest-running plays prior to 1853 are also listed.