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 ...

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 ...

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 ...

Kevin Plank, who steered Under Armour from a basement startup selling sweat-wicking T-shirts in 1996 to a $5.2 billion global brand represented by Michael Phelps and Tom Brady, will step down as the ...

Under Armour, the sportswear company trying to rebound after a series of setbacks, may be trying to speed up its turnaround by making dramatic changes at the top. Under Armour CEO Kevin Plank – who ...

Under Armour’s billionaire founder and CEO Kevin Plank is giving up the top job after more than two decades running the athletic apparel company. Plank started the company in his grandmother’s ...