Uh, We Did Not Know Leg Cramps Could Get This Bad

Pretty much everyone has had a leg cramp at some point. Most of us, however, probably haven't had one this gnarly. Be warned — this is pretty gross:

While this guy is clearly in excruciating pain, this sort of weird muscle movement can also be achieved if you're really, really ripped, like this bodybuilder who can ripple his thigh muscles:

[Via Reddit]