It just takes one big trip to the grocery store to realize how important arm strength is. And even if you regularly work out your arms, you might be missing one crucial muscle. We often spend plenty ...

In the video above, Fhitting Room instructor Mat Forzaglia demonstrates how you can take an exercise as simple as the standard pushup and upgrade it to target additional muscles beyond just your chest ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." BUILDING BIG ARMS is about more than just one move—and more than one muscle. The dumbbell biceps curl is ...

Medically reviewed by Theresa Marko, PT, DPT, MS Key Takeaways Ulnar nerve entrapment causes numbness or tingling in the hand ...