The plank works the entire body — the core, abs, arms, back, shoulders, glutes and lower body, and it can help with back pain. I recommend that my clients include this low-impact exercise regularly in ...

A step platform may be the most basic piece of fitness equipment in your fitness center, but also one of the most versatile. Made popular by the 1980s step-aerobics craze, step platforms have evolved ...

How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position can feel like an eternity. But as challenging as planks are, side ...

Want to sweat like J.Lo? Celeb trainer David Kirsch uses this two-step glider plank variation with his clients. Here's how to complete the move. The glider plank, which moves from the classic stance ...