Although Crossover Symmetry has athletic roots, anyone can benefit from working out with a band. Cushiony padding adds comfort so you can focus on your movement, and it helps a band stay in place. Bands come in three resistance levels (ranging from light to heavy) and won’t stretch out with use. Ready to get moving? A complete guide, including exercise programs, videos, and and a rehab routine for back and knee pain helps you jumpstart your training.