You can speed up some. If you have more than one medicine ball, you might find that you want a lighter one for some exercises and a heavier one for others. 15 more seconds. And remember ...

Whether you're working on your deadlift PR, getting ready for a jog, or training for ( gasp!) your first pull-up, warm-ups are nonnegotiable. It doesn't matter your fitness level or age either, says ...

Back and shoulder exercises are the core of Tang’s six-week challenge—and you’ll see them show up in almost every workout. In Workout 2, expect rows and shoulder presses in supersets with hip thrusts ...