STRONG by Zumba™ is a high intensity interval training workout driven by the science of Synced Music Motivation. ... STRONG by Zumba™ is a High Intensity Interval Training class using more traditional fitness moves for a more athletic, conditioning-style workout
Although it is challenging you will be driven by the music and that will make it fun, and when your done you will fee BADASS!
If you don't feel like you can do it, just do the modifications, keep showing up and before you know it you will become stronger! AMAZE YOURSELF!