If you’ve ever wondered whether or not resistance bands work, don’t write them ... grip with palms facing each other to nail the hammer curl and build stronger biceps. Draw your hands toward ...

amazing reasons resistance bands build muscle fast, from versatility to constant tension, transforming workouts anywhere.

Bicep curl vs hammer curl: what’s the difference ... either exercise can be performed with either dumbbells, a cable machine, resistance bands, or a barbell (if you're doing bicep curls).