Resistance bands (or tubing) allow you to perform strength-training exercises without weights. They are lightweight, portable, inexpensive, and perfect for exercising virtually anywhere!  

They come in a variety of resistances, and you can further adjust the intensity of your resistance-band workouts by giving the band more or less slack. You can even use multiple bands at once to increase the challenge.

This week’s full-body workout is done using only one piece of equipment; all you need is a resistance band (or tube)