The Leg Spring Series is one of the all-time most effective workouts for toning and strengthening the legs, glutes and core. With her definitive and motivating cues, Kathi will have you wringing more out of your springs than you thought possible. If you’re looking to feel your legs (in a good way) for days, this is the class for you! Setup & Reps: This workout can be done on a Tower or a Cadillac. Kathi’s students are using a heavy set of Gratz Leg Springs on the Leg Spring setting. Kathi teaches most exercises with 4 repetitions, and notes that you can do up to 8 repetitions. For info on training with Kathi visit: KathiRossNash.com.