Stop obsessing over whether you did 8 or 12 reps; a groundbreaking new study proves that your level of effort matters far ...

Everything you’ve been taught about building muscle and getting stronger might be completely backwards. While you’ve been religiously counting reps and pushing through sets like a human calculator, a ...

Walk into any gym, and you’ll hear conflicting advice about reps. Some trainers swear by heavy weights and low reps. Others advocate for lighter weights and high reps. Your workout buddy might tell ...

My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness journalist, and the fitness editor at Women’s Health. When I’m not writing, editing, and researching fitness, I’m teaching ...