To maximize this exercise, however, be sure to avoid working from a strict tabletop position. Instead of a totally flat back, focus on ... a sled and battle rope pull, you’re raising the core ...

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 ...

Calisthenics engage major muscle groups like those in the chest, core, back ... rope or pull-up bar if you're doing calisthenics, you don't really need anything. In addition, calisthenics ...