We asked fitness expert and certified personal trainer, Rachel Pieroni, to share her top tips on how to use strength training ...

WHAT'S YOUR GO-TO arm day exercise? There's a good chance your answer is the dumbbell biceps curl. That's a great answer—we've talked at length about the move and how valuable it can be for your ...

Either standing or seated, grab a dumbbell in each hand and let your arms hang almost completely straight at your sides, palms facing one another. Keeping your upper arms locked in place, bend at the ...