Laura Creavalle, the world’s most muscular woman; Creavalle was an International Female Body Builder Champion (IFBB). She was a professional female bodybuilder, originally from Guyana. She last won the IFBB Contest in 2007, and is reportedly still the most muscular woman on earth. (Watch Video below)
This photo is one of many from an amazing photo gallery of her many scary photos; not a woman to challenge to an arm-wrestling contest!