The next time you hit the gym for back and biceps day, consider adding these three barbell exercises to your upper body routine. Anyone can benefit from the moves below, including barbell beginners, ...

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Chair exercises for upper body strength after 55, created by Tyler Read, BSc, CPT, to rebuild pushing and pulling power.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...

Sitting, standing, and moving between the two seem almost involuntary, but your body's muscles are working hard to make these motions happen. Your skeleton has over 600 muscles attached, and many of ...