Get ready for the ultimate pump.

THE CHEST IS a muscle group that takes up a great deal of attention for physique-minded guys. If you pause a moment to think about why, you won't need long to figure out the appeal of chest-pumping ...

If you want to pack size, strength, and muscle onto your hamstrings, glutes, and quads, then start integrating these ...

Looking to build muscle but feeling overwhelmed by conflicting advice? We got two top trainers to break down exactly how to structure your weekly workouts for maximum gains. Whether you’re a gym ...

Muscle growth requires patience. Experts break down exactly how long it will take you to see visible muscle definition and what habits you need to achieve it.

Exercises to rebuild muscle after 55: a certified trainer shares 5 daily dumbbell moves to train full-body strength.

A CSCS expert shares a 7-minute chair routine after 60 that restores muscle tone more effectively than traditional weight training.

Rachael DeVaux, a registered dietitian, hits her daily protein goals with overnight oats, protein smoothies, and meat sticks.

PEOPLE THINK BUILDING muscle requires only that they show up to the gym consistently and put in any type of strength training work (and guzzle a protein shake here and there) to make their desired ...

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. A typical strength- or ...

For people who don't enjoy the gym—or want to avoid expensive membership fees—there are plenty of other ways to build strength, including Pilates, dumbbells, or local parks with fitness equipment.