Happy December! Kick the month off on a fitness high by trying one (or all!) of these awesome group classes. Here are our picks for this week’s fitness plan. What: Torching Tabata // You can do ...

If strong, toned abs are your goal, this simple, fast, four-minute Tabata core circuit will get you there, but be prepared to sweat for it. Tabata is a form of high-intensity interval training (HIIT) ...