Get ready for the ultimate pump.

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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. Curls are the classic ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." NO ARM DAY WORKOUT is complete without a solid biceps pump. The big arm muscles are one of the most ...

The quest for bigger biceps is timeless. Ask anyone from a young child to an experienced athlete to show you their muscles, and they’ll almost always raise their arm and flex their biceps in response.

With this guide to the best bicep workouts, you can build strength and muscle definition. Perfect for gym or at-home workouts, depending on your equipment set up, these exercises can help you to reach ...

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. We’re going to start ...

When it comes to guys hitting the gym and crushing a solid upper body workout, no muscle is more synonymous with strength (and physique) than the biceps. The iconic “flex” pose? That’s your biceps ...

Most powerlifters can tell you exactly what their bench press max is. They can walk you through their squat programming, ...

Walk into any gym and you’ll see a parade of bicep exercises. Standing curls. Seated curls. Cables. Machines everywhere. With ...

Personal trainer Chrissy Signore ranked 5 arm exercises based on how effectively they build strength. She said that some arm exercises are less efficient and more prone to injury. Bicep curls are one ...

Leg day, arm day, ab day—but what about lat day? Lats are the largest muscles in your upper body and the core of any workout routine. Most people use the term lats, but the scientific name for the lat ...