This is a post-workout video captured by gym goer Angel Bermudez after leg day, starring a very intense calf cramp. Man, that thing looks like an alien chestburster took a wrong turn in his body and is about to pop its head out to ask for directions. No thank you! Leg day: I’ll be skipping it from now on.

Keep going for the video.

Source: Geekologie – WTF Was That?!: Video Of Man’s Calf Cramp Looks Like Alien Chestburster Ready To Erupt