Ballet-coaching and aerobics doesn’t seem to be a all-natural pairing, but this superior-Vitality video proves it’s doable, and the result can be a good exercise routine. Kym Perfetto Though her Instagram feed is filled with badass biking photographs, biking is just some of NASM-Qualified trainer Kym Perfetto's YouTube content material. https://www.youtube.com/watch?v=ZWN7pZhdw3s