So there's this thing called High Fitness. It's a company that makes money off of choreographing exercise routines to popular music, and sells the choreography. It's essentially Zumba but less dancey and more of a workout. The company offer$ training in order to "certify" people as "certified" high fitness instructors who have to pay monthly to subscribe to the library of choreography, which they use to lead classes they charge admission to attend.
The question is, if someone were to attend a class, learn the choreography, and then share it outside of the class, are there any concerns about copyright? Could anyone get in trouble for working out or leading workouts using the choreography they learned at a high fitness class?