Are you looking to build muscle but aren't sure whether to use light or heavy weights? Discover the benefits of each approach ...

These exercises will help to activate your muscles ... Joi recommends using light weights, selecting 7.5 pounds. No weights? You can also follow class member Tiffany for bodyweight modifications.

How to Do It: Grab a pair of light to moderate weight dumbbells (you should have no problem curling for reps). Perform 10 biceps curls. Rest for 10 seconds. Immediately proceed into a second set of 10 ...

A couple of fixed-weight dumbbells can be more than ... so you can lift heavy or light, depending on your fitness goals. Buy them as pairs from three to 25 pounds or as a single for 40 pounds.

Whether you’re a fitness class vet or a total newbie like ... high numbers of repetitions, and light weight or resistance," says DiGiorgio. Think: pulsing in a squat to target the glutes and ...

If you were on a desert island and could only take one piece of workout equipment, it should be dumbbells (followed by an adjustable weight bench). I’ve been lifting weights four times a week ...