A California man recorded a bizarre video showing his painful muscle cramps with "alien-like" movement inside his legs. Angel Bermudez recorded the 50-second video after he suffered from the cramps ...

Going for an intense workout at the gym is not uncommon among bodybuilding enthusiasts and does no harm when done right. But sometimes going too hard can also leave people in pain with muscle cramps ...

A viral video shows Jo Lindner with what appears to be the symptoms of rippling muscle disease. Imgur First, a refresher on what happens in your average non-alien-gains muscle cell every time you flex ...