A trainer says these are the four resistance band moves she uses to build lower-body strength when she’s short on time

Woman on yoga mat uses resistance bands for strength training .

Resistance bands are a convenient way to build muscle if you have limited space. They can be thrown into a gym bag or stored in a drawer, and they’re zero hassle to set up and get going.

Resistance bands use tension rather than weight to create resistance for your muscles to work against, and gradually increasing the amount of tension you work against in subsequent workouts will help build strength.