Reps and sets aren’t just gym jargon—they’re the backbone of any effective workout plan. Whether you’re chasing strength, size, or endurance, knowing how to structure them can transform your results.

Weightlifting lore—which is more inclusive than it sounds—dictates that if you’re looking to build size, the smart money is on forcing your muscles to adapt by testing them with increasingly heavy ...

What is the correct amount of reps to build muscle? In the strength world we call that hypertrophy, and the question sounds simple until you ask a room full of lifters. One group will tell you the ...

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 ...