Although male kangaroos do appear to flex their muscles to show off their impressive figures, researchers in a 2013 study said it is not currently possible to determine whether or not such behavior is ...

Any gym-going female human knows just how much men like to show off their muscles. But it turns out that it’s not just male humans who think that flexing their biceps at ladies is an effective ...

DOES Mario Lopez suffer from biceps envy? This Disease of the Vain usually strikes hunky guys who come into close contact with even hunkier guys. They see a set of biceps larger then theirs, and they ...

While Jon Gosselin has been traveling the globe cavorting with various women, Kate Gosselin has been…pumping iron! The “Jon & Kate Plus 8” star hit the streets of Manhattan over the weekend to attend ...