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.
See Broadway's longest running show, on tour! In 1986, Andrew Lloyd Webber opened his newest hit, the powerful and haunting Phantom of the Opera, an electronic rock musical based on Gaston Leroux's 1910 book of the same name.