Let’s be honest, we're all a fan of upper body day because everyone wants big arms. No, more specifically, big biceps. However, if you’ve been endlessly curling dumbbells and your t-shirt sleeves ...

Bicep tendonitis is usually caused by overloading and overusing the biceps tendon. The primary function of your biceps is elbow flexion and turning your palm up. Biceps tendonitis symptoms can include ...

The biceps muscles, which span the inner and outer arm from your armpit to your elbow, were given their name because they’re each made up of two parts. The name “biceps” translates to “two heads.” ...

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.

The arms are one group of muscles you can always rely on to make you look strong, with or without a shirt on. Big, defined ...

There's nothing like a big-time biceps flex—and to achieve a muscle peak you can be proud of, you'll need these biceps exercises. Consider this your permission to flex. What You Need to Know About ...

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 ...

This simple curl upgrade could lead to better biceps growth ...

The Biceps Curl is one of the most universally recognized weight training exercises of all time. It's a common reference in pop culture, particularly if the character is depicted as a "gym rat." But ...

In men, muscular arms are often seen as a status symbol. However, many women also desire toned upper arms. The good news: There are effective methods for both men and women to shape their arms well.