"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TO MAKE THE arm muscle gains you want, you'll need to be intentional. Following a balanced workout split ...

A simple Pilates routine is going viral for toning arms and improving posture—no heavy weights required.

When it comes to bodily attractiveness, certain muscle groups are considered more desirable than others. In an Evolutionary Psychology study, for instance, more than 500 heterosexual women rated the ...

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...

If your arm day consists of bicep curls on bicep curls, it might be time to switch things up and throw some bicep curl variations into the mix. Doing slightly different takes on the staple exercise ...

The case image depicts a biceps tendon tear at the insertion on the radial tuberosity, which is an unusual presentation and may require surgery. The next best step would be to perform radiographic ...

Good news: You don't need all of the cable machines at the gym to sculpt yourself some biceps and triceps that pop! Actually, it's way easier to get an amazing arms workout at home than you think!

A fitness coach reveals simple chair-based exercises that can safely strengthen your arms and improve daily function after 60 ...

Pain in your left arm can be due to a number of causes, not just a heart attack. Other causes like a muscle sprain, pinched nerve, or angina could be at fault. Check your other symptoms to determine ...

A few factors determine the average bicep size. Height as it relates to bicep size hasn’t been thoroughly studied, but other data exist. Before upping your weights and adding an extra arm day to your ...