A man who underwent the world's first double arm and shoulder transplant has said he can now flex his biceps and can't wait to be able to hug his wife and grandkids. Felix Gretarsson, 49, lost ...

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 ...

A man who underwent the world's first full double arm transplant is celebrating being able to flex his biceps for the first time in over 20 years. Felix Gretarsson, 49, had to have his arms removed in ...

A man who underwent the world’s first double arm transplant says he can now flex his biceps and can’t wait to hug his wife, kids and grandchildren.

Patrick Schwarzenegger took to Instagram to show off the 'summer gains' he's achieved by flexing his bicep, as he prepares to play former footballerTim Tebow in the FX series American Sports Story.