Ballet-training and aerobics doesn’t appear to be a natural pairing, but this significant-Vitality video proves it’s probable, and the result is actually a stable work out. Kym Perfetto While her Instagram feed is stuffed with badass biking photographs, biking is just some of NASM-certified coach Kym Perfetto's YouTube content material. https://www.youtube.com/watch?v=lno0sZtcMkI