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 ...

WHEN YOU DO a heavyweight bench press—arguably the premier upper body-building exercise for lifters of all stripes—there are two muscles working in tandem to power the bar up to the top of each rep: ...

These form keys are the secret to build big triceps.

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Combat muscle loss with this 7-move routine.

Add Yahoo as a preferred source to see more of our stories on Google. Popularised by powerlifter Dave Tate, the Tate press is performed while lying supine on a bench. ‘You start with dumbbells held ...

Building muscle in your arms requires focusing on the biceps in the front and the triceps in the back. They’re opposite functioning muscle groups, so they require different strength training exercises ...

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Start in a standing position. Hold a pair of dumbbells in your hands, and bring them in front of your chest, palms facing in.