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) ...

Celebrity trainer Gunnar Peterson — yup, the one who trains the Kardashians, Kate Beckinsale, and the Los Angeles Lakers — wants to help you improve your core workout and make it as effective as ...

Think toe touches are just for stretching before gym class? Don't get it twisted. This seemingly simple move is a valid test of flexibility, offering a dynamic snapshot of your mobility, core strength ...

A strong core helps with posture, balance and stability, and can prevent and reduce back pain. To effectively strengthen your core you need to work the low back, glutes, pelvic floor and the ...

Touching your toes depends on the flexibility of your hamstrings, calves, ankles, glutes, hips, and lower back. Tightness in any one area can limit your reach. You may be able to improve flexibility ...