CHALLENGING YOURSELF DURING a workout shouldn't be a matter of overcomplicating your routine. You don't need a ton of time or equipment to do it, either – just a plan and a limitless well of effort.

Elliptical machines are one of the best ways to exercise, a worthy addition to your home gym. Efficient and highly effective, the device provides a full-body workout without totally ravaging your ...

Celebrity trainer Don-A-Matrix has helped tone some of the most famous bodies on the planet including Kim Kardashian, 39. He has also been seen on Keeping Up With the Kardashians working out with ...