The Best and Worst Chest Exercises, According to a Trainer originally appeared on Men's Fitness. Chest day is sacred. But if you’re just benching and hoping for the best, you’re leaving serious gains ...

Add Yahoo as a preferred source to see more of our stories on Google. “The problem with traditional backpacks and hip packs is that they aren’t ideal when you’re engaged in the activity, because you ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The major muscle in ...