Build a more impressive physique by focusing on four key muscle groups.

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. Arm day can be one of ...

No arm workout is complete without a few exercises for triceps, but that doesn’t mean you need to leave your sweaty prints on every piece of iron in the weight room. In fact, according to top trainers ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...

Fitness Pro Superhuman Troy joins forces with a legendary bodybuilding mentor to hammer the upper chest and triceps for dense, powerful size. A headache is already emerging for Kevin Warsh at the Fed: ...

Strong triceps support everyday movements like pushing up from a chair and can improve arm definition. Five at-home exercises include bench dips, one-arm overhead extensions, kickbacks, skullcrushers, ...