A strong bicep can create that defined look in the upper body that many people desire. But what most people don't realize is how important strengthening this area is for reasons beyond aesthetics. The ...

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 ...

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 ...

Everyone knows that the road to toned arms is paved with bicep curls. But since the exercise is so familiar, many people don't think about their form while performing the move, and they end up doing ...

The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...