After sitting most of the day at a desk, where I may or may not have the best posture, my chest and upper back are tight and achy. Maybe you can relate? Luckily, that's where upper-body stretches come ...

It really pays to have a strong upper body in life, whether you're lugging a heavy box up your stairs, heaving a suitcase onto a rack, or toughing out a plank sequence or Chaturanga in yoga. That ...