Start with a healthy dose of ballet's limb-stretching, toe-punishing routine. Add a dash of the heart-thumping cardio of Pilates. And finish with a side of yoga's muscle-bending focus. What do you get? No, it's not a Geneva Conventions-breaking form of physical torture. It's actually a helluva good time and a monster workout style called barre, which emphasizes high reps of small isometric movements. At Pulse 163, the barre classes move superfast, so you're never bored while you jam to a current, upbeat soundtrack. If you begin feeling the burn a little too hot, the friendly and professional staff at this bright Malibu-inspired fitness studio is always there with words of encouragement. Even if barre isn't your M.O., Pulse 163 offers yoga and a cardio dance class called Funk Fusion. A single barre class costs $23, but if you buy a group in bulk, you can save significant cash. Prior to opening their business in September 2014, Pulse 163's two owners — Melissa Grosfeld and Hilary Kates — tried virtually every barre-style workout in Miami. They did their research, and the proof is in the tight abs and thighs everywhere in this North Miami Beach studio.